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.NET CORE(C#) WPF 抽屜式菜單

閱讀導航

1. 本文背景
2. 代碼實現
3. 本文參考
4. 源碼

1. 本文背景

使用簡單動畫實現抽屜式菜單

2. 代碼實現

使用 .NET CORE 3.1 創建名為 “AnimatedColorfulMenu” 的WPF模板項目，添加1個Nuget庫：MaterialDesignThemes，版本為最新預覽版3.1.0-ci948。

解決方案主要文件目錄組織結構：

• AnimatedColorfulMenu
  • App.xaml
  • MainWindow.xaml

2.1 引入樣式

文件【App.xaml】，在 StartupUri 中設置啟動的視圖【MainWindow.xaml】，並在【Application.Resources】節點增加 MaterialDesignThemes庫的樣式文件：

<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 演示窗體布局

文件【MainWindow.xaml】，代碼不多，主要看左側菜單，啟動時，菜單在顯示窗體左側-150位置；點擊展開菜單，使用簡單的動畫，慢慢呈現在顯示窗體左側，源碼如下：

<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>
        <!--左側抽屜菜單，默認在顯示窗體之外，點擊菜單圖標再通過簡單的動畫呈現出來-->
        <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 &amp; 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="幫助" 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="發送反饋" 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="推薦" 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="溢價認購" 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="設置" 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.本文參考

1. 視頻一：C# WPF Material Design UI: Animated Colorful Navigation Drawer，配套源碼：AnimatedColorfulMenu。
2. C# WPF開源控件庫《MaterialDesignInXAML》

4.源碼

效果圖實現代碼在文中已經全部給出，可直接Copy，按解決方案目錄組織代碼文件即可運行。

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