用方法替代Converter (#500)

src/Pixeval.Controls/C.cs

@@ -0,0 +1,139 @@
+#region Copyright
+// GPL v3 License
+// 
+// Pixeval/Pixeval
+// Copyright (c) 2024 Pixeval/C.cs
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
+using System;
+using System.Globalization;
+using Windows.UI;
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Media;
+using WinUI3Utilities;
+using Windows.UI.Text;
+using Microsoft.UI.Text;
+
+namespace Pixeval.Controls;
+
+/// <summary>
+/// Converters
+/// </summary>
+public static class C
+{
+    public static bool Negation(bool value) => !value;
+
+    public static bool IsNull(object? value) => value is null;
+
+    public static bool IsNotNull(object? value) => value is not null;
+
+    public static Visibility ToVisibility(bool value) => value ? Visibility.Visible : Visibility.Collapsed;
+
+    public static Visibility ToVisibilityNegation(bool value) => value ? Visibility.Collapsed : Visibility.Visible;
+
+    public static Visibility IsNullToVisibility(object? value) => value is null ? Visibility.Visible : Visibility.Collapsed;
+
+    public static Visibility IsNotNullToVisibility(object? value) => value is null ? Visibility.Collapsed : Visibility.Visible;
+
+    public static bool IsNotZero(int value) => value is not 0;
+
+    public static bool IsNotZeroL(long value) => value is not 0;
+
+    public static Visibility IsNotZeroDToVisibility(double value) => value is not 0 ? Visibility.Visible : Visibility.Collapsed;
+
+    public static unsafe Color ToAlphaColor(uint color)
+    {
+        var ptr = &color;
+        var c = (byte*)ptr;
+        return Color.FromArgb(c[3], c[2], c[1], c[0]);
+    }
+
+    public static SolidColorBrush ToSolidColorBrush(uint value) => new(value.GetAlphaColor());
+
+    public static unsafe uint ToAlphaUInt(Color color)
+    {
+        uint ret;
+        var ptr = &ret;
+        var c = (byte*)ptr;
+        c[0] = color.B;
+        c[1] = color.G;
+        c[2] = color.R;
+        c[3] = color.A;
+        return ret;
+    }
+
+    public static string CultureDateTimeDateFormatter(DateTime value, CultureInfo culture) =>
+        value.ToString(culture.DateTimeFormat.ShortDatePattern);
+
+    public static string CultureDateTimeOffsetDateFormatter(DateTimeOffset value, CultureInfo culture) =>
+        value.ToString(culture.DateTimeFormat.ShortDatePattern);
+
+    public static string CultureDateTimeFormatter(DateTime value, CultureInfo culture) =>
+        value.ToString(culture.DateTimeFormat.FullDateTimePattern);
+
+    public static string CultureDateTimeOffsetFormatter(DateTimeOffset value, CultureInfo culture) =>
+        value.ToString(culture.DateTimeFormat.FullDateTimePattern);
+
+    public static FontFamily ToFontFamily(string value) => new(value);
+
+    public static string ToPercentageString(object value, int precision)
+    {
+        var p = "F" + precision;
+        return value switch
+        {
+            uint i => (i * 100).ToString(p),
+            int i => (i * 100).ToString(p),
+            short i => (i * 100).ToString(p),
+            ushort i => (i * 100).ToString(p),
+            long i => (i * 100).ToString(p),
+            ulong i => (i * 100).ToString(p),
+            float i => (i * 100).ToString(p),
+            double i => (i * 100).ToString(p),
+            decimal i => (i * 100).ToString(p),
+            _ => "NaN"
+        } + "%";
+    }
+
+    public static string PlusOneToString(int value) => (value + 1).ToString();
+
+    public static CommandBarLabelPosition LabelIsNullToVisibility(string? value) =>
+        value is null ? CommandBarLabelPosition.Collapsed : CommandBarLabelPosition.Default;
+
+    public static ItemsViewSelectionMode ToSelectionMode(bool value) =>
+        value ? ItemsViewSelectionMode.Multiple : ItemsViewSelectionMode.None;
+
+    public static string IntEllipsis(int value) =>
+        value < 1000 ? value.ToString() : $"{value / 1000d:0.#}k";
+
+    public static double DoubleComplementary(double value) => 1 - value;
+
+    public static FontWeight ToFontWeight(Enum value) => value.GetHashCode() switch
+    {
+        0 => FontWeights.Thin,
+        1 => FontWeights.ExtraLight,
+        2 => FontWeights.Light,
+        3 => FontWeights.SemiLight,
+        4 => FontWeights.Normal,
+        5 => FontWeights.Medium,
+        6 => FontWeights.SemiBold,
+        7 => FontWeights.Bold,
+        8 => FontWeights.ExtraBold,
+        9 => FontWeights.Black,
+        10 => FontWeights.ExtraBlack,
+        _ => ThrowHelper.ArgumentOutOfRange<Enum, FontWeight>(value)
+    };
+}

src/Pixeval.Controls/Converters/BoolNegationToVisibilityConverter.cs

@@ -1,33 +0,0 @@
-#region Copyright (c) ${File.SolutionName}/${File.ProjectName}
-// GPL v3 License
-// 
-// Pixeval/Pixeval.Controls
-// Copyright (c) 2023 Pixeval.Controls/BoolNegationToVisibilityConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#endregion
-
-using System;
-using Microsoft.UI.Xaml;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class BoolNegationToVisibilityConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => value.To<bool>() ? Visibility.Collapsed : Visibility.Visible;
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => value.To<Visibility>() is Visibility.Collapsed;
-}

src/Pixeval.Controls/Converters/BoolToCommandBarLabelPositionConverter.cs

@@ -1,13 +0,0 @@
-using System;
-using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class BoolToCommandBarLabelPositionConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => value.To<bool>() ? CommandBarLabelPosition.Default : CommandBarLabelPosition.Collapsed;
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => value.To<CommandBarLabelPosition>() is CommandBarLabelPosition.Default;
-}

src/Pixeval.Controls/Converters/BoolToSelectionModeConverter.cs

@@ -1,13 +0,0 @@
-using System;
-using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class BoolToSelectionModeConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => value.To<bool>() ? ItemsViewSelectionMode.Multiple : ItemsViewSelectionMode.None;
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => value.To<ItemsViewSelectionMode>() is ItemsViewSelectionMode.Multiple;
-}

src/Pixeval.Controls/Converters/ComplementaryDoubleConverter.cs

@@ -1,12 +0,0 @@
-using System;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class ComplementaryDoubleConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => 1 - value.To<double>();
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => 1 - value.To<double>();
-}

src/Pixeval.Controls/Converters/DisplayIndexConverter.cs

@@ -1,12 +0,0 @@
-using System;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class DisplayIndexConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => (value.To<int>() + 1).ToString();
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => int.Parse(value.To<string>()) - 1;
-}

src/Pixeval.Controls/Converters/DoubleToBoolToVisibilityConverter.cs

@@ -1,33 +0,0 @@
-#region Copyright (c) Pixeval/Pixeval.Controls
-// GPL v3 License
-// 
-// Pixeval/Pixeval.Controls
-// Copyright (c) 2023 Pixeval.Controls/FloatToVector3Converter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#endregion
-
-using System;
-using Microsoft.UI.Xaml;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class DoubleToBoolToVisibilityConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => value.To<double>() is not 0 ? Visibility.Visible : Visibility.Collapsed;
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => value.To<Visibility>() is Visibility.Visible ? 1d : 0d;
-}

src/Pixeval.Controls/Converters/LabelNullableVisibilityConverter.cs

@@ -1,33 +0,0 @@
-#region Copyright
-// GPL v3 License
-// 
-// Pixeval/Pixeval.Controls
-// Copyright (c) 2024 Pixeval.Controls/LabelNullableVisibilityConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#endregion
-
-using System;
-using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class LabelNullableVisibilityConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => value.To<string?>() is null ? CommandBarLabelPosition.Collapsed : CommandBarLabelPosition.Default;
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => ThrowHelper.NotSupported<object>();
-}

src/Pixeval.Controls/Converters/LongToDoubleConverter.cs

@@ -1,40 +0,0 @@
-#region Copyright
-
-// GPL v3 License
-// 
-// Pixeval/Pixeval.Controls
-// Copyright (c) 2024 Pixeval.Controls/LongToDoubleConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-#endregion
-
-using System;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class LongToDoubleConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language)
-    {
-        return (double)value.To<long>();
-    }
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language)
-    {
-        return (long)value.To<double>();
-    }
-}

src/Pixeval.Controls/Converters/NullableToBoolConverter.cs

@@ -1,12 +0,0 @@
-using System;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class NullableToBoolConverter : IValueConverter
-{
-    public object Convert(object? value, Type targetType, object parameter, string language) => value is not null;
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => ThrowHelper.NotSupported<object>();
-}

src/Pixeval.Controls/Converters/NullableToVisibilityConverter.cs

@@ -1,38 +0,0 @@
-#region Copyright
-
-// GPL v3 License
-// 
-// Pixeval/Pixeval.Controls
-// Copyright (c) 2024 Pixeval.Controls/NullableToVisibilityConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-#endregion
-
-using System;
-using Microsoft.UI.Xaml;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class NullableToVisibilityConverter : IValueConverter
-{
-    public bool Negative { get; set; }
-
-    public object Convert(object? value, Type targetType, object parameter, string language) => Negative ^ value is null ? Visibility.Collapsed : Visibility.Visible;
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => ThrowHelper.NotSupported<object>();
-}
-

src/Pixeval.Controls/Converters/NumberEllipsisConverter.cs

@@ -1,36 +0,0 @@
-#region Copyright
-// GPL v3 License
-// 
-// Pixeval/Pixeval.Controls
-// Copyright (c) 2024 Pixeval.Controls/NumberEllipsisConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#endregion
-
-using System;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class NumberEllipsisConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language)
-    {
-        var v = value.To<int>();
-        return v < 1000 ? v.ToString() : $"{v / 1000d:0.#}k";
-    }
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => ThrowHelper.NotSupported<object>();
-}

src/Pixeval.Controls/Converters/NumberToPercentageConverter.cs

@@ -1,48 +0,0 @@
-#region Copyright (c) Pixeval/Pixeval
-// GPL v3 License
-// 
-// Pixeval/Pixeval
-// Copyright (c) 2023 Pixeval/NumberToPercentageConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#endregion
-
-using System;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class NumberToPercentageConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language)
-    {
-        var p = "F" + parameter.To<string>();
-        return value switch
-        {
-            uint i => (i * 100).ToString(p),
-            int i => (i * 100).ToString(p),
-            short i => (i * 100).ToString(p),
-            ushort i => (i * 100).ToString(p),
-            long i => (i * 100).ToString(p),
-            ulong i => (i * 100).ToString(p),
-            float i => (i * 100).ToString(p),
-            double i => (i * 100).ToString(p),
-            decimal i => (i * 100).ToString(p),
-            _ => "NaN"
-        } + "%";
-    }
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => ThrowHelper.NotSupported<object>();
-}

src/Pixeval.Controls/Converters/StringToFontFamilyConverter.cs

@@ -1,13 +0,0 @@
-using System;
-using Microsoft.UI.Xaml.Data;
-using Microsoft.UI.Xaml.Media;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class StringToFontFamilyConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => new FontFamily(value.To<string>());
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => value.To<FontFamily>().Source;
-}

src/Pixeval.Controls/Converters/UIntToBrushConverter.cs

@@ -1,35 +0,0 @@
-#region Copyright
-
-// GPL v3 License
-// 
-// Pixeval/Pixeval.Controls
-// Copyright (c) 2024 Pixeval.Controls/UIntToBrushConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-#endregion
-
-using System;
-using Microsoft.UI.Xaml.Data;
-using Microsoft.UI.Xaml.Media;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class UIntToBrushConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => new SolidColorBrush(value.To<uint>().GetAlphaColor());
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => value.To<SolidColorBrush>().Color.GetAlphaUInt();
-}

src/Pixeval.Controls/Converters/UIntToColorConverter.cs

@@ -1,33 +0,0 @@
-#region Copyright
-// GPL v3 License
-// 
-// Pixeval/Pixeval.Controls
-// Copyright (c) 2024 Pixeval.Controls/UIntToColorConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#endregion
-
-using System;
-using Windows.UI;
-using Microsoft.UI.Xaml.Data;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class UIntToColorConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => value.To<uint>().GetAlphaColor();
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => value.To<Color>().GetAlphaUInt();
-}

src/Pixeval.Controls/SkeletonView/SkeletonView.cs

@@ -19,7 +19,6 @@
 #endregion
 
 using System;
-using Windows.Foundation;
 using CommunityToolkit.Labs.WinUI;
 using CommunityToolkit.WinUI.Controls;
 using Microsoft.UI.Xaml;

src/Pixeval/Controls/Comment/CommentItem.xaml

@@ -2,59 +2,53 @@
     x:Class="Pixeval.Controls.CommentItem"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:controls="using:Pixeval.Controls"
-    xmlns:controls1="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
+    xmlns:controls="using:CommunityToolkit.WinUI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
+    xmlns:local="using:Pixeval.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:pixeval="using:Pixeval.AppManagement"
     mc:Ignorable="d">
-    <UserControl.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-        <converters1:CultureDateConverter x:Key="CultureDateConverter" />
-        <converters1:LabelNullableVisibilityConverter x:Key="LabelNullableVisibilityConverter" />
-    </UserControl.Resources>
-    <controls1:DockPanel HorizontalSpacing="10" VerticalSpacing="5">
-        <controls1:SwitchPresenter
+    <controls:DockPanel HorizontalSpacing="10" VerticalSpacing="5">
+        <controls:SwitchPresenter
             Margin="57,0,0,0"
-            controls1:DockPanel.Dock="Bottom"
+            controls:DockPanel.Dock="Bottom"
             Value="{x:Bind ViewModel.IsStamp, Mode=OneWay}">
-            <controls1:Case>
-                <controls1:Case.Value>
+            <controls:Case>
+                <controls:Case.Value>
                     <x:Boolean>True</x:Boolean>
-                </controls1:Case.Value>
-                <controls:LazyImage
+                </controls:Case.Value>
+                <local:LazyImage
                     x:Name="StickerImageContent"
                     MaxHeight="100"
                     HorizontalAlignment="Left"
                     Stretch="Uniform" />
-            </controls1:Case>
-            <controls1:Case>
-                <controls1:Case.Value>
+            </controls:Case>
+            <controls:Case>
+                <controls:Case.Value>
                     <x:Boolean>False</x:Boolean>
-                </controls1:Case.Value>
+                </controls:Case.Value>
                 <RichTextBlock
                     x:Name="CommentContent"
                     FontSize="{StaticResource CaptionTextBlockFontSize}"
                     LineHeight="14.4"
                     TextWrapping="Wrap" />
-            </controls1:Case>
-        </controls1:SwitchPresenter>
+            </controls:Case>
+        </controls:SwitchPresenter>
         <CommandBar
-            controls1:DockPanel.Dock="Right"
+            controls:DockPanel.Dock="Right"
             DefaultLabelPosition="Right"
             OverflowButtonVisibility="Collapsed">
             <AppBarButton
                 Click="DeleteReplyHyperlinkButton_OnClicked"
                 Icon="{fluent:SymbolIcon Symbol=Delete}"
                 LabelPosition="Collapsed"
-                Visibility="{x:Bind ViewModel.IsMe, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsMe), Mode=OneWay}" />
             <AppBarButton
                 Click="OpenRepliesHyperlinkButton_OnClicked"
                 Icon="{fluent:SymbolIcon Symbol=Chat}"
                 Label="{x:Bind ViewModel.RepliesCount, Mode=OneWay}"
-                LabelPosition="{x:Bind ViewModel.RepliesCount, Converter={StaticResource LabelNullableVisibilityConverter}, Mode=OneWay}" />
+                LabelPosition="{x:Bind local:C.LabelIsNullToVisibility(ViewModel.RepliesCount), Mode=OneWay}" />
         </CommandBar>
         <Button
             HorizontalAlignment="Stretch"
@@ -62,23 +56,23 @@
             Background="Transparent"
             BorderThickness="0"
             Click="PosterPersonPicture_OnClicked">
-            <controls1:DockPanel HorizontalSpacing="10" LastChildFill="False">
+            <controls:DockPanel HorizontalSpacing="10" LastChildFill="False">
                 <PersonPicture
                     Width="35"
                     Height="35"
-                    controls1:DockPanel.Dock="Left"
+                    controls:DockPanel.Dock="Left"
                     ProfilePicture="{x:Bind ViewModel.AvatarSource, Mode=OneWay}" />
                 <TextBlock
-                    controls1:DockPanel.Dock="Top"
+                    controls:DockPanel.Dock="Top"
                     Style="{StaticResource CaptionTextBlockStyle}"
                     Text="{x:Bind ViewModel.Poster, Mode=OneWay}" />
                 <!--  TipTextColor  -->
                 <TextBlock
-                    controls1:DockPanel.Dock="Bottom"
+                    controls:DockPanel.Dock="Bottom"
                     Foreground="{ThemeResource PixevalTipTextForeground}"
                     Style="{StaticResource CaptionTextBlockStyle}"
-                    Text="{x:Bind ViewModel.PostDate, Converter={StaticResource CultureDateConverter}, Mode=OneWay}" />
-            </controls1:DockPanel>
+                    Text="{x:Bind local:C.CultureDateTimeOffsetDateFormatter(ViewModel.PostDate, pixeval:AppSettings.CurrentCulture), Mode=OneWay}" />
+            </controls:DockPanel>
         </Button>
-    </controls1:DockPanel>
+    </controls:DockPanel>
 </UserControl>

src/Pixeval/Controls/Converters/CultureDateConverter.cs

@@ -1,41 +0,0 @@
-#region Copyright
-// GPL v3 License
-// 
-// Pixeval/Pixeval
-// Copyright (c) 2024 Pixeval/CultureDateConverter.cs
-// 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-// 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#endregion
-
-using System;
-using Microsoft.UI.Xaml.Data;
-using Pixeval.AppManagement;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-
-public class CultureDateConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language)
-    {
-        return value switch
-        {
-            DateTime t => t.ToString(AppSettings.CurrentCulture.DateTimeFormat.ShortDatePattern),
-            DateTimeOffset t => t.ToString(AppSettings.CurrentCulture.DateTimeFormat.ShortDatePattern),
-            _ => ThrowHelper.ArgumentOutOfRange<object, string>(value)
-        };
-    }
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => ThrowHelper.NotSupported<object>();
-}

src/Pixeval/Controls/Converters/FontWeightConverter.cs

@@ -1,28 +0,0 @@
-using System;
-using Microsoft.UI.Xaml.Data;
-using Windows.UI.Text;
-using Microsoft.UI.Text;
-using Pixeval.Options;
-using WinUI3Utilities;
-
-namespace Pixeval.Controls.Converters;
-internal class FontWeightConverter : IValueConverter
-{
-    public object Convert(object value, Type targetType, object parameter, string language) => value.To<FontWeightsOption>() switch
-    {
-        FontWeightsOption.Thin => FontWeights.Thin,
-        FontWeightsOption.ExtraLight => FontWeights.ExtraLight,
-        FontWeightsOption.Light => FontWeights.Light,
-        FontWeightsOption.SemiLight => FontWeights.SemiLight,
-        FontWeightsOption.Normal => FontWeights.Normal,
-        FontWeightsOption.Medium => FontWeights.Medium,
-        FontWeightsOption.SemiBold => FontWeights.SemiBold,
-        FontWeightsOption.Bold => FontWeights.Bold,
-        FontWeightsOption.ExtraBold => FontWeights.ExtraBold,
-        FontWeightsOption.Black => FontWeights.Black,
-        FontWeightsOption.ExtraBlack => FontWeights.ExtraBlack,
-        _ => ThrowHelper.ArgumentOutOfRange<object, FontWeight>(value)
-    };
-
-    public object ConvertBack(object value, Type targetType, object parameter, string language) => ThrowHelper.NotSupported<object>();
-}

src/Pixeval/Controls/Download/DownloadItem.xaml.cs

@@ -24,7 +24,6 @@ using Windows.Foundation;
 using Windows.System;
 using Microsoft.UI.Xaml;
 using Pixeval.Download;
-using Pixeval.Pages.Download;
 using Pixeval.Util.UI;
 using WinUI3Utilities;
 using WinUI3Utilities.Attributes;

src/Pixeval/Controls/Download/DownloadItemDataProvider.cs

@@ -4,7 +4,6 @@ using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.WinUI.Collections;
 using Pixeval.Collections;
 using Pixeval.Download.Models;
-using Pixeval.Pages.Download;
 
 namespace Pixeval.Controls;
 

src/Pixeval/Controls/Entry/EntryView.xaml

@@ -3,7 +3,6 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Pixeval.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -11,7 +10,6 @@
     VerticalSpacing="1"
     mc:Ignorable="d">
     <controls:DockPanel.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
         <TeachingTip
             x:Name="QrCodeTeachingTip"
             Title="{x:Bind TeachingTipTitle, Mode=OneWay}"
@@ -27,7 +25,7 @@
         Margin="-5,0"
         controls:DockPanel.Dock="Bottom"
         IsIndeterminate="True"
-        Visibility="{x:Bind IsLoadingMore, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+        Visibility="{x:Bind local:C.ToVisibility(IsLoadingMore), Mode=OneWay}" />
     <Grid>
         <StackPanel
             x:Name="HasNoItemStackPanel"

src/Pixeval/Controls/FlyoutContent/CommentRepliesBlock.xaml

@@ -4,14 +4,10 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
     xmlns:controls1="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Pixeval.Controls.FlyoutContent"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
-    <controls1:DockPanel.Resources>
-        <converters:BoolNegationConverter x:Key="BoolNegationConverter" />
-    </controls1:DockPanel.Resources>
     <controls:PixivReplyBar
         x:Name="ReplyBar"
         Margin="10"
@@ -21,7 +17,7 @@
     <!--  ReSharper disable once UnusedMember.Local  -->
     <controls:CommentView
         x:Name="CommentView"
-        HasNoItem="{x:Bind ViewModel.RepliesIsNotNull, Converter={StaticResource BoolNegationConverter}, Mode=OneWay}"
+        HasNoItem="{x:Bind controls:C.Negation(ViewModel.RepliesIsNotNull), Mode=OneWay}"
         ItemsSource="{x:Bind ViewModel.Replies, Mode=OneWay}"
         RepliesHyperlinkButtonClick="CommentView_OnRepliesHyperlinkButtonClick" />
 </controls1:DockPanel>

src/Pixeval/Controls/Illustration/IllustrationItem.xaml

@@ -3,8 +3,6 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
     xmlns:core="using:Microsoft.Xaml.Interactions.Core"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
@@ -21,8 +19,6 @@
         <ToolTip Content="{x:Bind ViewModel.Tooltip, Mode=OneWay}" Placement="Right" />
     </ToolTipService.ToolTip>
     <Grid.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-        <converters1:NullableToVisibilityConverter x:Key="NullableToVisibilityConverter" Negative="True" />
         <ExponentialEase
             x:Key="EasingFunction"
             EasingMode="EaseOut"
@@ -72,7 +68,7 @@
             VerticalAlignment="Center"
             Source="{x:Bind ViewModel.ThumbnailSource, Mode=OneWay}"
             Stretch="UniformToFill" />
-        <labs:Shimmer Visibility="{x:Bind ViewModel.ThumbnailSource, Converter={StaticResource NullableToVisibilityConverter}, Mode=OneWay}" />
+        <labs:Shimmer Visibility="{x:Bind local:C.IsNullToVisibility(ViewModel.ThumbnailSource), Mode=OneWay}" />
         <local:HeartButton
             x:Name="HeartButton"
             HorizontalAlignment="Left"
@@ -87,22 +83,22 @@
             <local:PixevalBadge
                 controls:DockPanel.Dock="Left"
                 Mode="Ai"
-                Visibility="{x:Bind ViewModel.IsAiGenerated, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsAiGenerated), Mode=OneWay}" />
             <local:PixevalBadge
                 controls:DockPanel.Dock="Left"
                 Mode="{x:Bind ViewModel.XRestrictionCaption, Mode=OneWay}"
-                Visibility="{x:Bind ViewModel.IsXRestricted, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsXRestricted), Mode=OneWay}" />
             <local:PixevalBadge
                 controls:DockPanel.Dock="Left"
                 Mode="Gif"
-                Visibility="{x:Bind ViewModel.IsUgoira, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsUgoira), Mode=OneWay}" />
             <Grid controls:DockPanel.Dock="Right">
                 <fluent:SymbolIcon
                     Foreground="{StaticResource LayerFillColorDefaultBrush}"
                     IsFilled="True"
                     Symbol="SquareMultiple"
-                    Visibility="{x:Bind ViewModel.IsManga, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
-                <fluent:SymbolIcon Symbol="SquareMultiple" Visibility="{x:Bind ViewModel.IsManga, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                    Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsManga), Mode=OneWay}" />
+                <fluent:SymbolIcon Symbol="SquareMultiple" Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsManga), Mode=OneWay}" />
             </Grid>
         </controls:DockPanel>
     </Grid>

src/Pixeval/Controls/Illustrator/IllustratorItem.xaml

@@ -3,7 +3,6 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
     xmlns:core="using:Microsoft.Xaml.Interactions.Core"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
@@ -13,9 +12,6 @@
     AspectRatio="15:8"
     Background="{StaticResource CardBackgroundFillColorDefaultBrush}"
     mc:Ignorable="d">
-    <controls:ConstrainedBox.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-    </controls:ConstrainedBox.Resources>
     <!--  图片长宽均为5，故为(3*5):(3+5)  -->
     <Grid>
         <Grid.RowDefinitions>
@@ -58,7 +54,7 @@
                 <local:PixevalBadge
                     Mode="Following"
                     UseSmall="True"
-                    Visibility="{x:Bind ViewModel.IsFollowed, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                    Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsFollowed), Mode=OneWay}" />
             </StackPanel>
         </StackPanel>
         <Button

src/Pixeval/Controls/Novel/NovelItem.xaml

@@ -3,8 +3,6 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
     xmlns:core="using:Microsoft.Xaml.Interactions.Core"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:interactivity="using:Microsoft.Xaml.Interactivity"
@@ -12,14 +10,12 @@
     xmlns:local="using:Pixeval.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:model="using:Pixeval.CoreApi.Model"
+    xmlns:pixeval="using:Pixeval.AppManagement"
     Background="{StaticResource CardBackgroundFillColorDefaultBrush}"
     PointerEntered="NovelItem_OnPointerEntered"
     PointerExited="NovelItem_OnPointerExited"
     mc:Ignorable="d">
     <Grid.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-        <converters1:CultureDateConverter x:Key="CultureDateConverter" />
-        <converters1:NumberEllipsisConverter x:Key="NumberEllipsisConverter" />
         <!--  ReSharper disable once Xaml.RedundantResource  -->
         <Storyboard x:Key="ThumbnailStoryboard">
             <DoubleAnimation
@@ -76,7 +72,7 @@
                 Foreground="DarkGray"
                 MaxLines="1"
                 Style="{StaticResource BodyTextBlockStyle}"
-                Text="{x:Bind ViewModel.PublishDate, Converter={StaticResource CultureDateConverter}, Mode=OneWay}"
+                Text="{x:Bind local:C.CultureDateTimeOffsetDateFormatter(ViewModel.PublishDate, pixeval:AppSettings.CurrentCulture), Mode=OneWay}"
                 TextTrimming="CharacterEllipsis"
                 TextWrapping="WrapWholeWords" />
             <TextBlock
@@ -95,15 +91,15 @@
             <local:IconText
                 controls:DockPanel.Dock="Right"
                 Symbol="TextAlignLeft"
-                Text="{x:Bind ViewModel.TextLength, Converter={StaticResource NumberEllipsisConverter}, Mode=OneWay}" />
+                Text="{x:Bind local:C.IntEllipsis(ViewModel.TextLength), Mode=OneWay}" />
             <local:IconText
                 controls:DockPanel.Dock="Right"
                 Symbol="Heart"
-                Text="{x:Bind ViewModel.TotalBookmarks, Converter={StaticResource NumberEllipsisConverter}, Mode=OneWay}" />
+                Text="{x:Bind local:C.IntEllipsis(ViewModel.TotalBookmarks), Mode=OneWay}" />
             <local:IconText
                 controls:DockPanel.Dock="Right"
                 Symbol="Eye"
-                Text="{x:Bind ViewModel.TotalView, Converter={StaticResource NumberEllipsisConverter}, Mode=OneWay}" />
+                Text="{x:Bind local:C.IntEllipsis(ViewModel.TotalView), Mode=OneWay}" />
         </controls:DockPanel>
         <controls:DockPanel
             controls:DockPanel.Dock="Bottom"
@@ -112,11 +108,11 @@
             <local:PixevalBadge
                 controls:DockPanel.Dock="Right"
                 Mode="Ai"
-                Visibility="{x:Bind ViewModel.IsAiGenerated, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsAiGenerated), Mode=OneWay}" />
             <local:PixevalBadge
                 controls:DockPanel.Dock="Right"
                 Mode="{x:Bind ViewModel.XRestrictionCaption, Mode=OneWay}"
-                Visibility="{x:Bind ViewModel.IsXRestricted, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                Visibility="{x:Bind local:C.ToVisibility(ViewModel.IsXRestricted), Mode=OneWay}" />
         </controls:DockPanel>
         <ItemsControl
             x:Name="TagsList"

src/Pixeval/Controls/Settings/ColorSettingsCard.xaml

@@ -3,7 +3,7 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:Pixeval.Controls.Converters"
+    xmlns:controls1="using:Pixeval.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:local="using:Pixeval.Controls.Settings"
@@ -20,10 +20,9 @@
             <Setter Property="IsMoreButtonVisible" Value="True" />
             <Setter Property="IsAlphaEnabled" Value="True" />
         </Style>
-        <converters:UIntToColorConverter x:Key="UIntToColorConverter" />
     </controls:SettingsCard.Resources>
     <controls:ColorPickerButton
         ColorPickerStyle="{StaticResource ColorPickerStyle}"
         Loaded="ColorPicker_OnLoaded"
-        SelectedColor="{x:Bind Entry.Value, Converter={StaticResource UIntToColorConverter}, Mode=TwoWay}" />
+        SelectedColor="{x:Bind controls1:C.ToAlphaColor(Entry.Value), BindBack=controls1:C.ToAlphaUInt, Mode=TwoWay}" />
 </controls:SettingsCard>

src/Pixeval/Controls/Settings/FontSettingsCard.xaml

@@ -3,7 +3,7 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:Pixeval.Controls.Converters"
+    xmlns:controls1="using:Pixeval.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:local="using:Pixeval.Settings"
@@ -15,14 +15,11 @@
     <controls:SettingsCard.HeaderIcon>
         <fluent:SymbolIcon Symbol="{x:Bind Entry.HeaderIcon}" />
     </controls:SettingsCard.HeaderIcon>
-    <controls:SettingsCard.Resources>
-        <converters:StringToFontFamilyConverter x:Key="StringToFontFamilyConverter" />
-    </controls:SettingsCard.Resources>
     <controls:SettingsCard.Description>
         <HyperlinkButton
+            Click="OpenLinkViaTag_OnClicked"
             Content="{x:Bind Entry.Description}"
-            Tag="ms-settings:fonts"
-            Click="OpenLinkViaTag_OnClicked" />
+            Tag="ms-settings:fonts" />
     </controls:SettingsCard.Description>
     <ComboBox
         x:Uid="/SettingsPage/AppFontFamilyComboBox"
@@ -32,7 +29,7 @@
         SelectionChanged="Selector_OnSelectionChanged">
         <ComboBox.ItemTemplate>
             <DataTemplate x:DataType="x:String">
-                <TextBlock FontFamily="{x:Bind Converter={StaticResource StringToFontFamilyConverter}}" Text="{x:Bind}" />
+                <TextBlock FontFamily="{x:Bind controls1:C.ToFontFamily((x:String))}" Text="{x:Bind}" />
             </DataTemplate>
         </ComboBox.ItemTemplate>
     </ComboBox>

src/Pixeval/Controls/Spotlight/SpotlightItem.xaml

@@ -3,15 +3,12 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:Pixeval.Controls.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Pixeval.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:pixeval="using:Pixeval.AppManagement"
     LastChildFill="False"
     mc:Ignorable="d">
-    <controls:DockPanel.Resources>
-        <converters:CultureDateConverter x:Key="CultureDateConverter" />
-    </controls:DockPanel.Resources>
     <controls:ConstrainedBox controls:DockPanel.Dock="Top" AspectRatio="40:21">
         <local:LazyImage CornerRadius="0" Source="{x:Bind ViewModel.ThumbnailSource, Mode=OneWay}" />
     </controls:ConstrainedBox>
@@ -35,6 +32,6 @@
         <TextBlock
             controls:DockPanel.Dock="Right"
             Foreground="DarkGray"
-            Text="{x:Bind ViewModel.Entry.PublishDate, Converter={StaticResource CultureDateConverter}, Mode=OneWay}" />
+            Text="{x:Bind local:C.CultureDateTimeOffsetDateFormatter(ViewModel.Entry.PublishDate, pixeval:AppSettings.CurrentCulture), Mode=OneWay}" />
     </controls:DockPanel>
 </controls:DockPanel>

src/Pixeval/Controls/Spotlight/SpotlightItem.xaml.cs

@@ -12,10 +12,7 @@ public sealed partial class SpotlightItem
 {
     public event Action<SpotlightItem, SpotlightItemViewModel>? ViewModelChanged;
 
-    public SpotlightItem()
-    {
-        InitializeComponent();
-    }
+    public SpotlightItem() => InitializeComponent();
 
     private static void OnViewModelChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {

src/Pixeval/Controls/TokenInput/TokenInput.xaml

@@ -3,15 +3,11 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls1="using:Pixeval.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:labs="using:CommunityToolkit.Labs.WinUI"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
-    <UserControl.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-    </UserControl.Resources>
     <StackPanel
         HorizontalAlignment="Stretch"
         VerticalAlignment="Stretch"
@@ -32,11 +28,11 @@
                         <fluent:SymbolIcon
                             FontSize="{StaticResource SmallIconFontSize}"
                             Symbol="TextChangeCase"
-                            Visibility="{x:Bind CaseSensitive, Converter={StaticResource BoolToVisibilityConverter}}" />
+                            Visibility="{x:Bind controls1:C.ToVisibility(CaseSensitive)}" />
                         <fluent:SymbolIcon
                             FontSize="{StaticResource SmallIconFontSize}"
                             Symbol="Code"
-                            Visibility="{x:Bind IsRegularExpression, Converter={StaticResource BoolToVisibilityConverter}}" />
+                            Visibility="{x:Bind controls1:C.ToVisibility(IsRegularExpression)}" />
                     </StackPanel>
                 </DataTemplate>
             </labs:TokenView.ItemTemplate>

src/Pixeval/Controls/Work/WorkContainer.xaml

@@ -4,7 +4,6 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
     xmlns:controls1="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:flyoutContent="using:Pixeval.Controls.FlyoutContent"
@@ -13,7 +12,6 @@
     Loaded="WorkContainer_OnLoaded"
     mc:Ignorable="d">
     <UserControl.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
         <TeachingTip
             x:Name="AddToBookmarkTeachingTip"
             x:Uid="/WorkContainer/AddToBookmarkTeachingTip"
@@ -61,7 +59,7 @@
             <CommandBar
                 x:Name="CommandBar"
                 DefaultLabelPosition="Right"
-                Visibility="{x:Bind WorkView.ViewModel.IsSelecting, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}">
+                Visibility="{x:Bind controls:C.ToVisibility(WorkView.ViewModel.IsSelecting), Mode=OneWay}">
                 <AppBarButton
                     Click="CancelSelectionButton_OnClicked"
                     Icon="{fluent:SymbolIcon Symbol=SelectAllOff}"

src/Pixeval/Controls/Work/WorkView.xaml

@@ -2,7 +2,6 @@
     x:Class="Pixeval.Controls.WorkView"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="using:Pixeval.Controls.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:flyoutContent="using:Pixeval.Controls.FlyoutContent"
     xmlns:local="using:Pixeval.Controls"
@@ -10,7 +9,6 @@
     Unloaded="WorkView_OnUnloaded"
     mc:Ignorable="d">
     <UserControl.Resources>
-        <converters:BoolToSelectionModeConverter x:Key="BoolToSelectionModeConverter" />
         <DataTemplate x:Key="NovelItemDataTemplate" x:DataType="local:NovelItemViewModel">
             <ItemContainer>
                 <local:NovelItem
@@ -53,7 +51,7 @@
                 IsItemInvokedEnabled="True"
                 ItemInvoked="ItemsView_OnItemInvoked"
                 SelectionChanged="WorkView_OnSelectionChanged"
-                SelectionMode="{x:Bind ViewModel.IsSelecting, Converter={StaticResource BoolToSelectionModeConverter}, Mode=OneWay}">
+                SelectionMode="{x:Bind local:C.ToSelectionMode(ViewModel.IsSelecting), Mode=OneWay}">
                 <local:AdvancedItemsView.ItemTransitionProvider>
                     <LinedFlowLayoutItemCollectionTransitionProvider />
                 </local:AdvancedItemsView.ItemTransitionProvider>

src/Pixeval/Pages/Capability/BookmarksPage.xaml

@@ -3,7 +3,6 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Pixeval.Pages.Capability"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -11,9 +10,6 @@
     xmlns:pixeval="using:Pixeval"
     Loaded="BookmarksPage_OnLoaded"
     mc:Ignorable="d">
-    <controls:EnhancedPage.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-    </controls:EnhancedPage.Resources>
     <controls:WorkContainer x:Name="WorkContainer">
         <controls:WorkContainer.CommandBarElements>
             <controls:NotifyOnLoadedComboBox
@@ -30,7 +26,7 @@
                 x:Name="PrivacyPolicyComboBox"
                 SelectionChanged="ComboBox_OnSelectionChanged"
                 Style="{StaticResource PrivacyPolicyComboBoxStyle}"
-                Visibility="{x:Bind _viewModel.IsMe, Converter={StaticResource BoolToVisibilityConverter}}" />
+                Visibility="{x:Bind controls:C.ToVisibility(_viewModel.IsMe)}" />
             <controls:EnumComboBox
                 x:Name="SimpleWorkTypeComboBox"
                 SelectedEnum="{x:Bind pixeval:App.AppViewModel.AppSettings.SimpleWorkType}"

src/Pixeval/Pages/Capability/FollowingsPage.xaml

@@ -4,13 +4,9 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
     xmlns:controls1="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
-    <controls:EnhancedPage.Resources>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-    </controls:EnhancedPage.Resources>
     <controls1:DockPanel>
         <!--  由于现在内容只有一个，所以当内容隐藏的时候，StackPanel也隐藏  -->
         <StackPanel
@@ -18,13 +14,13 @@
             Margin="{StaticResource ComboBoxLeftIndent}"
             controls1:DockPanel.Dock="Top"
             Orientation="Horizontal"
-            Visibility="{x:Bind IsMe, Converter={StaticResource BoolToVisibilityConverter}}">
+            Visibility="{x:Bind controls:C.ToVisibility(IsMe)}">
             <controls:EnumComboBox
                 x:Name="PrivacyPolicyComboBox"
                 VerticalAlignment="Center"
                 SelectionChanged="PrivacyPolicyComboBox_OnSelectionChanged"
                 Style="{StaticResource PrivacyPolicyComboBoxStyle}"
-                Visibility="{x:Bind IsMe, Converter={StaticResource BoolToVisibilityConverter}}" />
+                Visibility="{x:Bind controls:C.ToVisibility(IsMe)}" />
         </StackPanel>
         <controls:IllustratorView x:Name="IllustratorView" />
     </controls1:DockPanel>

src/Pixeval/Pages/IllustrationViewer/IllustrationViewerPage.xaml

@@ -4,8 +4,6 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
     xmlns:controls1="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
     xmlns:core="using:Microsoft.Xaml.Interactions.Core"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:flyoutContent="using:Pixeval.Controls.FlyoutContent"
@@ -20,11 +18,6 @@
     Unloaded="IllustrationViewerPage_OnUnloaded"
     mc:Ignorable="d">
     <controls:EnhancedWindowPage.Resources>
-        <converters:BoolNegationConverter x:Key="BoolNegationConverter" />
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-        <converters1:NumberToPercentageConverter x:Key="NumberToPercentageConverter" />
-        <converters1:NullableToVisibilityConverter x:Key="NullableToVisibilityConverter" />
-        <converters1:DisplayIndexConverter x:Key="DisplayIndexConverter" />
         <Thickness x:Key="NormalMargin">0,48,0,0</Thickness>
         <AcrylicBrush
             x:Key="BottomCommandSectionBackground"
@@ -68,7 +61,7 @@
                             controls1:DockPanel.Dock="Left"
                             ButtonClick="PrevButton_OnClicked"
                             ButtonRightTapped="PrevButton_OnRightTapped"
-                            ButtonVisibility="{x:Bind _viewModel.PrevButtonText, Converter={StaticResource NullableToVisibilityConverter}, Mode=OneWay}"
+                            ButtonVisibility="{x:Bind controls:C.IsNotNullToVisibility(_viewModel.PrevButtonText), Mode=OneWay}"
                             IsPrev="True"
                             ToolTip="{x:Bind _viewModel.PrevButtonText, Mode=OneWay}" />
                         <controls:PageButton
@@ -76,7 +69,7 @@
                             controls1:DockPanel.Dock="Right"
                             ButtonClick="NextButton_OnClicked"
                             ButtonRightTapped="NextButton_OnRightTapped"
-                            ButtonVisibility="{x:Bind _viewModel.NextButtonText, Converter={StaticResource NullableToVisibilityConverter}, Mode=OneWay}"
+                            ButtonVisibility="{x:Bind controls:C.IsNotNullToVisibility(_viewModel.NextButtonText), Mode=OneWay}"
                             IsPrev="False"
                             ToolTip="{x:Bind _viewModel.NextButtonText, Mode=OneWay}" />
                     </controls1:DockPanel>
@@ -145,7 +138,7 @@
                                         NumberOfPages="{x:Bind _viewModel.PageCount, Mode=OneWay}"
                                         PreviousButtonVisibility="Visible"
                                         SelectedPageIndex="{x:Bind _viewModel.CurrentPageIndex, Mode=TwoWay}"
-                                        Visibility="{x:Bind _viewModel.CurrentIllustration.IsManga, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                                        Visibility="{x:Bind controls:C.ToVisibility(_viewModel.CurrentIllustration.IsManga), Mode=OneWay}" />
                                     <CommandBar DefaultLabelPosition="Collapsed" OverflowButtonVisibility="Collapsed">
                                         <AppBarButton
                                             Command="{x:Bind _viewModel.CurrentIllustration.BookmarkCommand, Mode=OneWay}"
@@ -161,7 +154,7 @@
                                         <AppBarButton
                                             Command="{x:Bind _viewModel.CurrentIllustration.MangaSaveCommand, Mode=OneWay}"
                                             CommandParameter="{x:Bind HWnd}"
-                                            Visibility="{x:Bind _viewModel.CurrentIllustration.IsManga, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                                            Visibility="{x:Bind controls:C.ToVisibility(_viewModel.CurrentIllustration.IsManga), Mode=OneWay}" />
                                     </CommandBar>
                                 </controls1:DockPanel>
                             </Border>
@@ -285,7 +278,7 @@
                             Command="{x:Bind _viewModel.InfoAndCommentsCommand}"
                             IsChecked="{x:Bind EntryViewerSplitView.IsPaneOpen, Mode=TwoWay}"
                             RightTapped="OpenPane_OnRightTapped" />
-                        <AppBarButton Command="{x:Bind _viewModel.CurrentImage.PlayGifCommand, Mode=OneWay}" Visibility="{x:Bind _viewModel.CurrentIllustration.IsUgoira, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                        <AppBarButton Command="{x:Bind _viewModel.CurrentImage.PlayGifCommand, Mode=OneWay}" Visibility="{x:Bind controls:C.ToVisibility(_viewModel.CurrentIllustration.IsUgoira), Mode=OneWay}" />
                         <AppBarSeparator />
                         <AppBarButton
                             Command="{x:Bind _viewModel.CurrentPage.CopyCommand, Mode=OneWay}"
@@ -302,11 +295,11 @@
                         <AppBarButton
                             Command="{x:Bind _viewModel.CurrentIllustration.MangaSaveCommand, Mode=OneWay}"
                             CommandParameter="{x:Bind HWnd}"
-                            Visibility="{x:Bind _viewModel.CurrentIllustration.IsManga, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                            Visibility="{x:Bind controls:C.ToVisibility(_viewModel.CurrentIllustration.IsManga), Mode=OneWay}" />
                         <AppBarButton
                             Command="{x:Bind _viewModel.CurrentIllustration.MangaSaveAsCommand, Mode=OneWay}"
                             CommandParameter="{x:Bind HWnd}"
-                            Visibility="{x:Bind _viewModel.CurrentIllustration.IsManga, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                            Visibility="{x:Bind controls:C.ToVisibility(_viewModel.CurrentIllustration.IsManga), Mode=OneWay}" />
                         <AppBarSeparator />
                         <AppBarButton Command="{x:Bind _viewModel.CurrentImage.SetAsCommand, Mode=OneWay}">
                             <AppBarButton.Flyout>
@@ -337,8 +330,8 @@
                         <TextBlock
                             controls1:DockPanel.Dock="Left"
                             Style="{StaticResource TextBlockStyle}"
-                            Visibility="{x:Bind _viewModel.CurrentIllustration.IsManga, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}">
-                            <Run Text="{x:Bind _viewModel.CurrentPageIndex, Converter={StaticResource DisplayIndexConverter}, Mode=OneWay}" />
+                            Visibility="{x:Bind controls:C.ToVisibility(_viewModel.CurrentIllustration.IsManga), Mode=OneWay}">
+                            <Run Text="{x:Bind controls:C.PlusOneToString(_viewModel.CurrentPageIndex), Mode=OneWay}" />
                             <Run Text="/" />
                             <Run Text="{x:Bind _viewModel.PageCount, Mode=OneWay}" />
                         </TextBlock>
@@ -359,8 +352,8 @@
                             Margin="-5,-3,0,0"
                             controls1:DockPanel.Dock="Left"
                             Style="{StaticResource TextBlockStyle}"
-                            Text="{x:Bind _viewModel.CurrentImage.Scale, Converter={StaticResource NumberToPercentageConverter}, ConverterParameter=2, Mode=OneWay}"
-                            ToolTipService.ToolTip="{x:Bind _viewModel.CurrentImage.Scale, Converter={StaticResource NumberToPercentageConverter}, ConverterParameter=2, Mode=OneWay}" />
+                            Text="{x:Bind controls:C.ToPercentageString(_viewModel.CurrentImage.Scale, 2), Mode=OneWay}"
+                            ToolTipService.ToolTip="{x:Bind controls:C.ToPercentageString(_viewModel.CurrentImage.Scale, 2), Mode=OneWay}" />
                     </controls1:DockPanel>
                 </controls1:TitleBar.Footer>
             </controls1:TitleBar>
@@ -391,7 +384,7 @@
             <VisualStateGroup>
                 <VisualState x:Name="Normal">
                     <VisualState.StateTriggers>
-                        <StateTrigger IsActive="{x:Bind _viewModel.IsFullScreen, Converter={StaticResource BoolNegationConverter}, Mode=OneWay}" />
+                        <StateTrigger IsActive="{x:Bind controls:C.Negation(_viewModel.IsFullScreen), Mode=OneWay}" />
                     </VisualState.StateTriggers>
                     <VisualState.Setters>
                         <Setter Target="EntryViewerSplitView.Margin" Value="{StaticResource NormalMargin}" />

src/Pixeval/Pages/IllustrationViewer/ImageViewerPage.xaml

@@ -3,15 +3,9 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
-    xmlns:converters="using:Pixeval.Controls.Converters"
-    xmlns:converters1="using:CommunityToolkit.WinUI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
-    <controls:EnhancedWindowPage.Resources>
-        <converters1:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-        <converters:BoolNegationToVisibilityConverter x:Key="BoolNegationToVisibilityConverter" />
-    </controls:EnhancedWindowPage.Resources>
     <Grid>
         <controls:ZoomableImage
             HorizontalAlignment="Stretch"
@@ -26,7 +20,7 @@
             <controls:ZoomableImage.ContextFlyout>
                 <!--  PrimaryCommands 点击后不会自动隐藏Flyout  -->
                 <CommandBarFlyout>
-                    <AppBarButton Command="{x:Bind _viewModel.PlayGifCommand}" Visibility="{x:Bind _viewModel.IllustrationViewModel.IsUgoira, Converter={StaticResource BoolToVisibilityConverter}}" />
+                    <AppBarButton Command="{x:Bind _viewModel.PlayGifCommand}" Visibility="{x:Bind controls:C.ToVisibility(_viewModel.IllustrationViewModel.IsUgoira)}" />
                     <AppBarButton
                         Command="{x:Bind _viewModel.OriginalIllustrationViewModel.BookmarkCommand}"
                         CommandParameter="{x:Bind _viewModel.DownloadParameter}"
@@ -65,7 +59,7 @@
                 </CommandBarFlyout>
             </controls:ZoomableImage.ContextFlyout>
         </controls:ZoomableImage>
-        <Grid Visibility="{x:Bind _viewModel.LoadSuccessfully, Converter={StaticResource BoolNegationToVisibilityConverter}, Mode=OneWay}">
+        <Grid Visibility="{x:Bind controls:C.ToVisibilityNegation(_viewModel.LoadSuccessfully), Mode=OneWay}">
             <Rectangle Fill="{ThemeResource PixevalAppAcrylicBrush}" />
             <StackPanel
                 HorizontalAlignment="Center"

src/Pixeval/Pages/IllustratorViewer/IllustratorViewerPage.xaml

@@ -4,19 +4,11 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
     xmlns:controls1="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:windowing="using:Pixeval.Controls.Windowing"
     mc:Ignorable="d">
-    <controls:EnhancedPage.Resources>
-        <converters1:BoolNegationToVisibilityConverter x:Key="BoolNegationToVisibilityConverter" />
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-        <converters1:ComplementaryDoubleConverter x:Key="ComplementaryDoubleConverter" />
-        <converters1:DoubleToBoolToVisibilityConverter x:Key="DoubleToBoolToVisibilityConverter" />
-    </controls:EnhancedPage.Resources>
     <Grid>
         <controls:StickyHeaderScrollView
             x:Name="StickyHeaderScrollView"
@@ -41,7 +33,7 @@
                         HorizontalAlignment="Left"
                         VerticalAlignment="Center"
                         HorizontalSpacing="50"
-                        Opacity="{x:Bind StickyHeaderScrollView.ScrollRatio, Converter={StaticResource ComplementaryDoubleConverter}, Mode=OneWay}">
+                        Opacity="{x:Bind controls:C.DoubleComplementary(StickyHeaderScrollView.ScrollRatio), Mode=OneWay}">
                         <PersonPicture
                             x:Name="ProfileImage"
                             Width="100"
@@ -61,7 +53,7 @@
                                     IsTextSelectionEnabled="True"
                                     Style="{StaticResource TitleTextBlockStyle}"
                                     Text="{x:Bind _viewModel.Name}" />
-                                <controls:PixevalBadge Mode="Premium" Visibility="{x:Bind _viewModel.IsPremium, Converter={StaticResource BoolToVisibilityConverter}}" />
+                                <controls:PixevalBadge Mode="Premium" Visibility="{x:Bind controls:C.ToVisibility(_viewModel.IsPremium)}" />
                             </StackPanel>
                             <TextBlock
                                 x:Name="SubtitleBlock"
@@ -87,7 +79,7 @@
                             controls1:DockPanel.Dock="Left"
                             Opacity="{x:Bind StickyHeaderScrollView.ScrollRatio, Mode=OneWay}"
                             OverflowButtonVisibility="Collapsed"
-                            Visibility="{x:Bind StickyHeaderScrollView.ScrollRatio, Converter={StaticResource DoubleToBoolToVisibilityConverter}, Mode=OneWay}">
+                            Visibility="{x:Bind controls:C.IsNotZeroDToVisibility(StickyHeaderScrollView.ScrollRatio), Mode=OneWay}">
                             <AppBarElementContainer Padding="20,0" VerticalContentAlignment="Center">
                                 <PersonPicture
                                     Width="35"
@@ -106,7 +98,7 @@
                                         HorizontalAlignment="Left"
                                         Mode="Premium"
                                         UseSmall="True"
-                                        Visibility="{x:Bind _viewModel.IsPremium, Converter={StaticResource BoolToVisibilityConverter}}" />
+                                        Visibility="{x:Bind controls:C.ToVisibility(_viewModel.IsPremium)}" />
                                 </StackPanel>
                             </AppBarElementContainer>
                             <controls:AppButtonItem
@@ -135,9 +127,9 @@
                                 Symbol="BookOpen" />
                         </CommandBar>
                         <CommandBar DefaultLabelPosition="Right">
-                            <AppBarButton Command="{x:Bind _viewModel.FollowCommand}" Visibility="{x:Bind _viewModel.IsFollowed, Converter={StaticResource BoolNegationToVisibilityConverter}, Mode=OneWay}" />
-                            <AppBarButton Command="{x:Bind _viewModel.FollowPrivatelyCommand}" Visibility="{x:Bind _viewModel.IsFollowed, Converter={StaticResource BoolNegationToVisibilityConverter}, Mode=OneWay}" />
-                            <AppBarButton Command="{x:Bind _viewModel.UnfollowCommand}" Visibility="{x:Bind _viewModel.IsFollowed, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                            <AppBarButton Command="{x:Bind _viewModel.FollowCommand}" Visibility="{x:Bind controls:C.ToVisibilityNegation(_viewModel.IsFollowed), Mode=OneWay}" />
+                            <AppBarButton Command="{x:Bind _viewModel.FollowPrivatelyCommand}" Visibility="{x:Bind controls:C.ToVisibilityNegation(_viewModel.IsFollowed), Mode=OneWay}" />
+                            <AppBarButton Command="{x:Bind _viewModel.UnfollowCommand}" Visibility="{x:Bind controls:C.ToVisibility(_viewModel.IsFollowed), Mode=OneWay}" />
                             <AppBarSeparator />
                             <AppBarButton Command="{x:Bind _viewModel.GenerateLinkCommand}" CommandParameter="{x:Bind HWnd}" />
                             <AppBarButton Command="{x:Bind _viewModel.GenerateWebLinkCommand}" CommandParameter="{x:Bind HWnd}" />
@@ -193,6 +185,7 @@
             </controls:StickyHeaderScrollView.StickyContent>
         </controls:StickyHeaderScrollView>
         <controls1:TitleBar
+            x:Name="Bar"
             Title="{x:Bind _viewModel.Name}"
             VerticalAlignment="Top"
             Window="{x:Bind windowing:WindowFactory.GetForkedWindows(HWnd)}">

src/Pixeval/Pages/Login/LoginPage.xaml

@@ -5,7 +5,6 @@
     xmlns:app="using:Pixeval.AppManagement"
     xmlns:controls="using:Pixeval.Controls"
     xmlns:controls2="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:Pixeval.Controls.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:local="using:Pixeval.Pages.Login"
@@ -16,9 +15,6 @@
     Loaded="LoginPage_OnLoaded"
     Unloaded="LoginPage_OnUnloaded"
     mc:Ignorable="d">
-    <controls:EnhancedWindowPage.Resources>
-        <converters:BoolNegationToVisibilityConverter x:Key="BoolNegationToVisibilityConverter" />
-    </controls:EnhancedWindowPage.Resources>
     <controls2:DockPanel>
         <controls2:TitleBar
             Title="{x:Bind app:AppInfo.AppIdentifier}"
@@ -204,7 +200,7 @@
                     Grid.Column="0"
                     Child="{x:Bind _viewModel.WebView, Mode=OneWay}"
                     CornerRadius="{ThemeResource ControlCornerRadius}"
-                    Visibility="{x:Bind _viewModel.IsFinished, Converter={StaticResource BoolNegationToVisibilityConverter}, Mode=OneWay}" />
+                    Visibility="{x:Bind controls:C.ToVisibilityNegation(_viewModel.IsFinished), Mode=OneWay}" />
             </Grid>
         </controls2:DockPanel>
     </controls2:DockPanel>

src/Pixeval/Pages/MainPage.xaml

@@ -3,9 +3,7 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
-    xmlns:controls2="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
+    xmlns:controls1="using:CommunityToolkit.WinUI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -15,14 +13,13 @@
     Loaded="MainPage_OnLoaded"
     mc:Ignorable="d">
     <controls:EnhancedWindowPage.Resources>
-        <converters1:NullableToVisibilityConverter x:Key="NullableToVisibilityConverter" />
         <DataTemplate x:Key="CommonSuggestionModelTemplate" x:DataType="pages:SuggestionModel">
-            <controls2:DockPanel Padding="0,10" HorizontalSpacing="10">
+            <controls1:DockPanel Padding="0,10" HorizontalSpacing="10">
                 <ContentPresenter
                     x:Name="IconContentPresenter"
                     HorizontalAlignment="Left"
                     VerticalAlignment="Center"
-                    controls2:DockPanel.Dock="Left"
+                    controls1:DockPanel.Dock="Left"
                     Content="{x:Bind FontIcon}" />
                 <StackPanel VerticalAlignment="Center" Spacing="1">
                     <TextBlock
@@ -38,9 +35,9 @@
                         Text="{x:Bind TranslatedName}"
                         TextTrimming="CharacterEllipsis"
                         TextWrapping="WrapWholeWords"
-                        Visibility="{x:Bind TranslatedName, Converter={StaticResource NullableToVisibilityConverter}}" />
+                        Visibility="{x:Bind controls:C.IsNotNullToVisibility(TranslatedName)}" />
                 </StackPanel>
-            </controls2:DockPanel>
+            </controls1:DockPanel>
         </DataTemplate>
         <pages:SuggestionModelDataTemplateSelector
             x:Key="SuggestionModelDataTemplateSelector"
@@ -50,31 +47,31 @@
             NovelHeader="/MainPage/NovelHeaderSuggestionTextBlock"
             SettingEntryHeader="/MainPage/SettingsEntryHeaderSuggestionTextBlock" />
     </controls:EnhancedWindowPage.Resources>
-    <controls2:DockPanel>
-        <controls2:TitleBar
+    <controls1:DockPanel>
+        <controls1:TitleBar
             Title="{x:Bind pixeval:AppInfo.AppIdentifier}"
             VerticalAlignment="Top"
-            controls2:DockPanel.Dock="Top"
+            controls1:DockPanel.Dock="Top"
             DisplayMode="Tall"
             IsPaneButtonVisible="True"
             PaneButtonClick="TitleBar_OnPaneButtonClicked"
             Window="{x:Bind windowing:WindowFactory.GetForkedWindows(HWnd)}">
-            <controls2:TitleBar.Icon>
+            <controls1:TitleBar.Icon>
                 <ImageIcon Source="ms-appx:///Assets/Images/logo.svg" />
-            </controls2:TitleBar.Icon>
-            <controls2:TitleBar.Footer>
+            </controls1:TitleBar.Icon>
+            <controls1:TitleBar.Footer>
                 <PersonPicture
                     Grid.Column="0"
                     MaxHeight="35"
                     ProfilePicture="{x:Bind _viewModel.AvatarSource, Mode=OneWay}"
                     Tapped="SelfAvatar_OnTapped"
                     ToolTipService.ToolTip="{x:Bind _viewModel.UserName}" />
-            </controls2:TitleBar.Footer>
-            <controls2:TitleBar.Content>
-                <controls2:DockPanel>
+            </controls1:TitleBar.Footer>
+            <controls1:TitleBar.Content>
+                <controls1:DockPanel>
                     <CommandBar
                         Margin="0,-4"
-                        controls2:DockPanel.Dock="Right"
+                        controls1:DockPanel.Dock="Right"
                         DefaultLabelPosition="Collapsed"
                         OverflowButtonVisibility="Collapsed">
                         <AppBarButton
@@ -108,9 +105,9 @@
                             </TransitionCollection>
                         </AutoSuggestBox.ItemContainerTransitions>
                     </AutoSuggestBox>
-                </controls2:DockPanel>
-            </controls2:TitleBar.Content>
-        </controls2:TitleBar>
+                </controls1:DockPanel>
+            </controls1:TitleBar.Content>
+        </controls1:TitleBar>
         <NavigationView
             x:Name="NavigationView"
             IsBackButtonVisible="Collapsed"
@@ -192,5 +189,5 @@
             </NavigationView.FooterMenuItems>
             <Frame x:Name="MainPageRootFrame" Navigated="MainPageRootFrame_OnNavigated" />
         </NavigationView>
-    </controls2:DockPanel>
+    </controls1:DockPanel>
 </controls:EnhancedWindowPage>

src/Pixeval/Pages/Misc/SettingsPage.xaml

@@ -5,8 +5,6 @@
     xmlns:appManagement="using:Pixeval.AppManagement"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
     xmlns:controls1="using:Pixeval.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -24,9 +22,6 @@
                 <Setter Property="Margin" Value="1,28,0,4" />
             </Style.Setters>
         </Style>
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-        <converters:BoolNegationConverter x:Key="BoolNegationConverter" />
-        <converters1:NullableToVisibilityConverter x:Key="NullableToVisibilityConverter" />
     </controls1:EnhancedWindowPage.Resources>
     <controls:DockPanel VerticalSpacing="10">
         <TextBlock
@@ -91,17 +86,17 @@
                             Width="35"
                             Height="35"
                             IsActive="True"
-                            IsIndeterminate="{x:Bind ViewModel.DownloadingUpdate, Converter={StaticResource BoolNegationConverter}, Mode=OneWay}"
-                            Visibility="{x:Bind ViewModel.CheckingUpdate, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}"
+                            IsIndeterminate="{x:Bind controls1:C.Negation(ViewModel.DownloadingUpdate), Mode=OneWay}"
+                            Visibility="{x:Bind controls1:C.ToVisibility(ViewModel.CheckingUpdate), Mode=OneWay}"
                             Value="{x:Bind ViewModel.DownloadingUpdateProgress, Mode=OneWay}" />
                         <TextBlock
                             VerticalAlignment="Center"
                             Text="{x:Bind ViewModel.UpdateMessage, Mode=OneWay}"
-                            Visibility="{x:Bind ViewModel.UpdateMessage, Converter={StaticResource NullableToVisibilityConverter}, Mode=OneWay}" />
+                            Visibility="{x:Bind controls1:C.IsNotNullToVisibility(ViewModel.UpdateMessage), Mode=OneWay}" />
                         <Button
                             x:Uid="/SettingsPage/CheckForUpdatesButton"
                             Click="CheckForUpdateButton_OnClicked"
-                            IsEnabled="{x:Bind ViewModel.CheckingUpdate, Converter={StaticResource BoolNegationConverter}, Mode=OneWay}" />
+                            IsEnabled="{x:Bind controls1:C.Negation(ViewModel.CheckingUpdate), Mode=OneWay}" />
                     </StackPanel>
                     <controls:SettingsExpander.Items>
                         <controls:SettingsCard
@@ -142,7 +137,7 @@
                             x:Uid="/SettingsPage/ReleaseNotesHyperlinkButton"
                             Click="ReleaseNotesHyperlink_OnClicked"
                             Tag="Newest"
-                            Visibility="{x:Bind ViewModel.NewestVersion, Converter={StaticResource NullableToVisibilityConverter}, Mode=OneWay}" />
+                            Visibility="{x:Bind controls1:C.IsNotNullToVisibility(ViewModel.NewestVersion), Mode=OneWay}" />
                     </InfoBar.ActionButton>
                 </InfoBar>
 

src/Pixeval/Pages/NovelViewer/NovelViewerPage.xaml

@@ -4,8 +4,6 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:Pixeval.Controls"
     xmlns:controls1="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
     xmlns:core="using:Microsoft.Xaml.Interactions.Core"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:flyoutContent="using:Pixeval.Controls.FlyoutContent"
@@ -20,13 +18,6 @@
     Unloaded="NovelViewerPage_OnUnloaded"
     mc:Ignorable="d">
     <controls:EnhancedWindowPage.Resources>
-        <converters:BoolNegationConverter x:Key="BoolNegationConverter" />
-        <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
-        <converters1:NullableToVisibilityConverter x:Key="NullableToVisibilityConverter" />
-        <converters1:DisplayIndexConverter x:Key="DisplayIndexConverter" />
-        <converters1:UIntToBrushConverter x:Key="UIntToBrushConverter" />
-        <converters1:FontWeightConverter x:Key="FontWeightConverter" />
-        <converters1:StringToFontFamilyConverter x:Key="StringToFontFamilyConverter" />
         <Thickness x:Key="NormalMargin">0,48,0,0</Thickness>
         <AcrylicBrush
             x:Key="BottomCommandSectionBackground"
@@ -76,22 +67,22 @@
                             </ScrollView>
                         </controls1:DockPanel>
                     </SplitView.Pane>
-                    <Grid Background="{x:Bind _viewModel.NovelBackgroundEntry.Value, Converter={StaticResource UIntToBrushConverter}, Mode=OneWay}">
+                    <Grid Background="{x:Bind controls:C.ToSolidColorBrush(_viewModel.NovelBackgroundEntry.Value), Mode=OneWay}">
                         <controls:DocumentViewer
                             x:Name="DocumentViewer"
                             ActualThemeChanged="{x:Bind _viewModel.OnFrameworkElementOnActualThemeChanged}"
                             CurrentPage="{x:Bind _viewModel.CurrentPageIndex, Mode=TwoWay}"
-                            FontFamily="{x:Bind _viewModel.NovelFontFamilyEntry.Value, Converter={StaticResource StringToFontFamilyConverter}, Mode=OneWay}"
+                            FontFamily="{x:Bind controls:C.ToFontFamily(_viewModel.NovelFontFamilyEntry.Value), Mode=OneWay}"
                             FontSize="{x:Bind _viewModel.NovelFontSizeEntry.Value, Mode=OneWay}"
-                            FontWeight="{x:Bind _viewModel.NovelFontWeightEntry.Value, Converter={StaticResource FontWeightConverter}, Mode=OneWay}"
-                            Foreground="{x:Bind _viewModel.NovelFontColorEntry.Value, Converter={StaticResource UIntToBrushConverter}, Mode=OneWay}"
+                            FontWeight="{x:Bind controls:C.ToFontWeight(_viewModel.NovelFontWeightEntry.Value), Mode=OneWay}"
+                            Foreground="{x:Bind controls:C.ToSolidColorBrush(_viewModel.NovelFontColorEntry.Value), Mode=OneWay}"
                             LineHeight="{x:Bind _viewModel.NovelLineHeightEntry.Value, Mode=OneWay}"
                             NovelItem="{x:Bind _viewModel.CurrentNovel, Mode=OneWay}"
                             NovelMaxWidth="{x:Bind _viewModel.NovelMaxWidthEntry.Value, Mode=OneWay}"
                             PageCount="{x:Bind _viewModel.PageCount, Mode=TwoWay}"
                             Tapped="DocumentViewer_OnTapped" />
 
-                        <Grid Visibility="{x:Bind DocumentViewer.IsLoading, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}">
+                        <Grid Visibility="{x:Bind controls:C.ToVisibility(DocumentViewer.IsLoading), Mode=OneWay}">
                             <Rectangle Fill="{ThemeResource PixevalAppAcrylicBrush}" />
                             <StackPanel
                                 HorizontalAlignment="Center"
@@ -112,7 +103,7 @@
                                 controls1:DockPanel.Dock="Left"
                                 ButtonClick="PrevButton_OnClicked"
                                 ButtonRightTapped="PrevButton_OnRightTapped"
-                                ButtonVisibility="{x:Bind _viewModel.PrevButtonText, Converter={StaticResource NullableToVisibilityConverter}, Mode=OneWay}"
+                                ButtonVisibility="{x:Bind controls:C.IsNotNullToVisibility(_viewModel.PrevButtonText), Mode=OneWay}"
                                 IsPrev="True"
                                 ToolTip="{x:Bind _viewModel.PrevButtonText, Mode=OneWay}" />
                             <controls:PageButton
@@ -120,7 +111,7 @@
                                 controls1:DockPanel.Dock="Right"
                                 ButtonClick="NextButton_OnClicked"
                                 ButtonRightTapped="NextButton_OnRightTapped"
-                                ButtonVisibility="{x:Bind _viewModel.NextButtonText, Converter={StaticResource NullableToVisibilityConverter}, Mode=OneWay}"
+                                ButtonVisibility="{x:Bind controls:C.IsNotNullToVisibility(_viewModel.NextButtonText), Mode=OneWay}"
                                 IsPrev="False"
                                 ToolTip="{x:Bind _viewModel.NextButtonText, Mode=OneWay}" />
                         </controls1:DockPanel>
@@ -189,7 +180,7 @@
                                             NumberOfPages="{x:Bind DocumentViewer.PageCount, Mode=OneWay}"
                                             PreviousButtonVisibility="Visible"
                                             SelectedPageIndex="{x:Bind DocumentViewer.CurrentPage, Mode=TwoWay}"
-                                            Visibility="{x:Bind DocumentViewer.IsMultiPage, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}" />
+                                            Visibility="{x:Bind controls:C.ToVisibility(DocumentViewer.IsMultiPage), Mode=OneWay}" />
                                         <CommandBar
                                             HorizontalAlignment="Center"
                                             DefaultLabelPosition="Collapsed"
@@ -364,8 +355,8 @@
                         <TextBlock
                             controls1:DockPanel.Dock="Left"
                             Style="{StaticResource TextBlockStyle}"
-                            Visibility="{x:Bind DocumentViewer.IsMultiPage, Converter={StaticResource BoolToVisibilityConverter}, Mode=OneWay}">
-                            <Run Text="{x:Bind DocumentViewer.CurrentPage, Converter={StaticResource DisplayIndexConverter}, Mode=OneWay}" />
+                            Visibility="{x:Bind controls:C.ToVisibility(DocumentViewer.IsMultiPage), Mode=OneWay}">
+                            <Run Text="{x:Bind controls:C.PlusOneToString(DocumentViewer.CurrentPage), Mode=OneWay}" />
                             <Run Text="/" />
                             <Run Text="{x:Bind DocumentViewer.PageCount, Mode=OneWay}" />
                         </TextBlock>
@@ -407,7 +398,7 @@
             <VisualStateGroup>
                 <VisualState x:Name="Normal">
                     <VisualState.StateTriggers>
-                        <StateTrigger IsActive="{x:Bind _viewModel.IsFullScreen, Converter={StaticResource BoolNegationConverter}, Mode=OneWay}" />
+                        <StateTrigger IsActive="{x:Bind controls:C.Negation(_viewModel.IsFullScreen), Mode=OneWay}" />
                     </VisualState.StateTriggers>
                     <VisualState.Setters>
                         <Setter Target="EntryViewerSplitView.Margin" Value="{StaticResource NormalMargin}" />

src/Pixeval/Pages/Tags/TagsEntry.xaml

@@ -35,7 +35,7 @@
             x:Uid="/TagsEntry/GoToPageItem"
             Click="GoToPageItem_OnClicked"
             Icon="{fluent:SymbolIcon Symbol=OpenFolder}"
-            IsEnabled="{x:Bind IsNotZero(ViewModel.Id), Mode=OneWay}" />
+            IsEnabled="{x:Bind controls1:C.IsNotZeroL(ViewModel.Id), Mode=OneWay}" />
         <AppBarButton
             x:Uid="/TagsEntry/DeleteItem"
             Click="DeleteItem_OnClicked"

src/Pixeval/Pages/Tags/TagsEntry.xaml.cs

@@ -83,6 +83,4 @@ public sealed partial class TagsEntry
             }
         }
     }
-
-    private bool IsNotZero(long id) => id is not 0;
 }

src/Pixeval/Pages/WorkViewer/WorkInfoPage.xaml

@@ -1,22 +1,20 @@
-<pixevalControls:EnhancedPage
+<controls2:EnhancedPage
     x:Class="Pixeval.Pages.WorkInfoPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:controls="using:CommunityToolkit.WinUI.Controls"
-    xmlns:converters="using:CommunityToolkit.WinUI.Converters"
-    xmlns:converters1="using:Pixeval.Controls.Converters"
+    xmlns:controls2="using:Pixeval.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:fluent="using:FluentIcons.WinUI"
     xmlns:labs="using:CommunityToolkit.Labs.WinUI.MarkdownTextBlock"
+    xmlns:local="using:Pixeval.Pages"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:model="using:Pixeval.CoreApi.Model"
-    xmlns:pixevalControls="using:Pixeval.Controls"
+    xmlns:pixeval="using:Pixeval.AppManagement"
     Background="{ThemeResource PixevalPanelBackgroundThemeBrush}"
     Unloaded="WorkInfoPage_OnUnloaded"
     mc:Ignorable="d">
-    <pixevalControls:EnhancedPage.Resources>
-        <converters:StringFormatConverter x:Key="StringFormatConverter" />
-        <converters1:NullableToVisibilityConverter x:Key="NullableToVisibilityConverter" />
+    <controls2:EnhancedPage.Resources>
         <Style
             x:Key="InfoPageSectionHeaderTextBlockStyle"
             BasedOn="{StaticResource CaptionTextBlockStyle}"
@@ -33,7 +31,7 @@
             <Setter Property="TextWrapping" Value="Wrap" />
             <Setter Property="MaxHeight" Value="200" />
         </Style>
-    </pixevalControls:EnhancedPage.Resources>
+    </controls2:EnhancedPage.Resources>
     <ScrollViewer
         HorizontalScrollBarVisibility="Disabled"
         HorizontalScrollMode="Disabled"
@@ -90,13 +88,13 @@
             <TextBlock
                 x:Uid="/WorkInfoPage/IllustrationDimensionTextBlock"
                 Style="{StaticResource InfoPageSectionHeaderTextBlockStyle}"
-                Visibility="{x:Bind _viewModel.IllustrationDimensionText, Converter={StaticResource NullableToVisibilityConverter}}" />
+                Visibility="{x:Bind controls2:C.IsNotNullToVisibility(_viewModel.IllustrationDimensionText)}" />
             <TextBlock
                 Style="{StaticResource InfoPageSectionContentTextBlockStyle}"
                 Text="{x:Bind _viewModel.IllustrationDimensionText}"
-                Visibility="{x:Bind _viewModel.IllustrationDimensionText, Converter={StaticResource NullableToVisibilityConverter}}" />
+                Visibility="{x:Bind controls2:C.IsNotNullToVisibility(_viewModel.IllustrationDimensionText)}" />
             <TextBlock x:Uid="/WorkInfoPage/WorkUploadDateTextBlock" Style="{StaticResource InfoPageSectionHeaderTextBlockStyle}" />
-            <TextBlock Style="{StaticResource InfoPageSectionContentTextBlockStyle}" Text="{x:Bind _viewModel.Entry.CreateDate, Converter={StaticResource StringFormatConverter}, ConverterParameter='{}{0:yyyy-M-d HH:mm:ss}'}" />
+            <TextBlock Style="{StaticResource InfoPageSectionContentTextBlockStyle}" Text="{x:Bind controls2:C.CultureDateTimeOffsetFormatter(_viewModel.Entry.CreateDate, pixeval:AppSettings.CurrentCulture)}" />
             <TextBlock x:Uid="/WorkInfoPage/WorkTagListTextBlock" Style="{StaticResource InfoPageSectionHeaderTextBlockStyle}" />
             <ItemsRepeater Margin="{StaticResource StackLayoutEntryPadding}" ItemsSource="{x:Bind _viewModel.Entry.Tags}">
                 <ItemsRepeater.Layout>
@@ -124,4 +122,4 @@
             </ItemsRepeater>
         </StackPanel>
     </ScrollViewer>
-</pixevalControls:EnhancedPage>
+</controls2:EnhancedPage>

src/Pixeval/Util/TagsManager.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.Linq;
-using System.Threading.Tasks;
 using Pixeval.CoreApi.Model;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Metadata.Profiles.Exif;