.NET CORE(C#) WPF 抽屉式菜单
阅读导航
- 本文背景
- 代码实现
- 本文参考
- 源码
1. 本文背景
使用简单动画实现抽屉式菜单
2. 代码实现
使用 .NET CORE 3.1 创建名为 “AnimatedColorfulMenu” 的WPF模板项目，添加1个Nuget库：MaterialDesignThemes，版本为最新预览版3.1.0-ci948。
解决方案主要文件目录组织结构：
- AnimatedColorfulMenu
- App.xaml
- MainWindow.xaml
2.1 引入样式
文件【App.xaml】，在 StartupUri 中设置启动的视图【MainWindow.xaml】，并在【Application.Resources】节点增加 MaterialDesignThemes库的样式文件：
<Application.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml" />
<ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
<ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Blue.xaml" />
<ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Indigo.xaml" />
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Application.Resources>
2.2 演示窗体布局
文件【MainWindow.xaml】，代码不多，主要看左侧菜单，启动时，菜单在显示窗体左侧-150位置；点击展开菜单，使用简单的动画，慢慢呈现在显示窗体左侧，源码如下：
<Window x:Class="AnimatedColorfulMenu.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
mc:Ignorable="d" Height="600" Width="1080" ResizeMode="NoResize"
WindowStartupLocation="CenterScreen" WindowStyle="None">
<Window.Resources>
<Storyboard x:Key="CloseMenu">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.X)" Storyboard.TargetName="GridMenu">
<EasingDoubleKeyFrame KeyTime="0" Value="150"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.5" Value="0"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="GridBackground">
<EasingDoubleKeyFrame KeyTime="0" Value="1"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.5" Value="0"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
<Storyboard x:Key="OpenMenu">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.X)" Storyboard.TargetName="GridMenu">
<EasingDoubleKeyFrame KeyTime="0" Value="0"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.5" Value="150"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="GridBackground">
<EasingDoubleKeyFrame KeyTime="0" Value="0"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.5" Value="1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</Window.Resources>
<Window.Triggers>
<EventTrigger RoutedEvent="ButtonBase.Click" SourceName="ButtonClose">
<BeginStoryboard x:Name="CloseMenu_BeginStoryboard" Storyboard="{StaticResource CloseMenu}"/>
</EventTrigger>
<EventTrigger RoutedEvent="ButtonBase.Click" SourceName="ButtonOpen">
<BeginStoryboard Storyboard="{StaticResource OpenMenu}"/>
</EventTrigger>
</Window.Triggers>
<Grid>
<Grid x:Name="GridBackground" Background="#55313131" Opacity="0"/>
<Button x:Name="ButtonOpen" HorizontalAlignment="Left" VerticalAlignment="Top" Background="{x:Null}" BorderBrush="{x:Null}" Width="30" Height="30" Padding="0">
<materialDesign:PackIcon Kind="Menu" Foreground="#FF313131"/>
</Button>
<!--左侧抽屉菜单，默认在显示窗体之外，点击菜单图标再通过简单的动画呈现出来-->
<Grid x:Name="GridMenu" Width="150" HorizontalAlignment="Left" Margin="-150 0 0 0" Background="White" RenderTransformOrigin="0.5,0.5">
<Grid.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform/>
<TranslateTransform/>
</TransformGroup>
</Grid.RenderTransform>
<StackPanel>
<Image Height="140" Source="https://img.dotnet9.com/logo-foot.png" Stretch="Fill"/>
<ListView Foreground="#FF313131" FontFamily="Champagne & Limousines" FontSize="18">
<ListViewItem Height="45" Padding="0">
<StackPanel Orientation="Horizontal" Margin="10 0">
<materialDesign:PackIcon Kind="Recycle" Width="20" Height="20" Foreground="Gray" Margin="5" VerticalAlignment="Center"/>
<TextBlock Text="回收" Margin="10"/>
</StackPanel>
</ListViewItem>
<ListViewItem Height="45" Padding="0">
<StackPanel Orientation="Horizontal" Margin="10 0">
<materialDesign:PackIcon Kind="HelpCircleOutline" Width="20" Height="20" Foreground="#FFF08033" Margin="5" VerticalAlignment="Center"/>
<TextBlock Text="帮助" Margin="10"/>
</StackPanel>
</ListViewItem>
<ListViewItem Height="45" Padding="0">
<StackPanel Orientation="Horizontal" Margin="10 0">
<materialDesign:PackIcon Kind="Lightbulb" Width="20" Height="20" Foreground="Green" Margin="5" VerticalAlignment="Center"/>
<TextBlock Text="发送反馈" Margin="10"/>
</StackPanel>
</ListViewItem>
<ListViewItem Height="45" Padding="0">
<StackPanel Orientation="Horizontal" Margin="10 0">
<materialDesign:PackIcon Kind="Heart" Width="20" Height="20" Foreground="#FFD41515" Margin="5" VerticalAlignment="Center"/>
<TextBlock Text="推荐" Margin="10"/>
</StackPanel>
</ListViewItem>
<ListViewItem Height="45" Padding="0">
<StackPanel Orientation="Horizontal" Margin="10 0">
<materialDesign:PackIcon Kind="StarCircle" Width="20" Height="20" Foreground="#FFE6A701" Margin="5" VerticalAlignment="Center"/>
<TextBlock Text="溢价认购" Margin="10"/>
</StackPanel>
</ListViewItem>
<ListViewItem Height="45" Padding="0">
<StackPanel Orientation="Horizontal" Margin="10 0">
<materialDesign:PackIcon Kind="Settings" Width="20" Height="20" Foreground="#FF0069C1" Margin="5" VerticalAlignment="Center"/>
<TextBlock Text="设置" Margin="10"/>
</StackPanel>
</ListViewItem>
</ListView>
</StackPanel>
<Button x:Name="ButtonClose" HorizontalAlignment="Right" VerticalAlignment="Top" Background="{x:Null}" Foreground="#CCC" BorderBrush="{x:Null}" Width="30" Height="30" Padding="0">
<materialDesign:PackIcon Kind="Close"/>
</Button>
</Grid>
</Grid>
</Window>
3.本文参考
- 视频一：C# WPF Material Design UI: Animated Colorful Navigation Drawer，配套源码：AnimatedColorfulMenu。
- C# WPF开源控件库《MaterialDesignInXAML》
4.源码
效果图实现代码在文中已经全部给出，可直接Copy，按解决方案目录组织代码文件即可运行。
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