C# WPF过渡效果实现（C# WPF Material Design UI: Transitions）
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本文 Dotnet9 https://dotnet9.com 已收录，站长乐于分享dotnet相关技术，比如Winform、WPF、ASP.NET Core等，亦有C++桌面相关的Qt Quick和Qt Widgets等，只分享自己熟悉的、自己会的。
阅读导航：
- 一、先看效果
- 二、本文背景
- 三、代码实现
- 四、文章参考
- 五、代码下载
一、先看效果
窗体移动
两个界面过渡效果
二、本文背景
YouTube Design com WPF 大神处习得，闹钟与新增闹钟界面切换效果。
三、代码实现
3.1 添加Nuget库
站长使用.Net Core 3.1创建的WPF工程，创建“Transitions”解决方案后，需要添加两个Nuget库：MaterialDesignThemes和MaterialDesignColors，上图的效果是使用该控件库实现的，非常强大。
3.2 工程结构
3.3 App.xaml添加MD控件样式
添加4个样式
1 <Application x:Class="Transitions.App" 2 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 3 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 4 xmlns:local="clr-namespace:Transitions" 5 StartupUri="MainWindow.xaml"> 6 <Application.Resources> 7 <ResourceDictionary> 8 <ResourceDictionary.MergedDictionaries> 9 <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml"/> 10 <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml"/> 11 <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Blue.xaml"/> 12 <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Indigo.xaml"/> 13 </ResourceDictionary.MergedDictionaries> 14 </ResourceDictionary> 15 </Application.Resources> 16 </Application>
3.4 主窗体
MainWindow.xaml代码如下
1 <Window x:Class="Transitions.MainWindow" 2 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 3 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 4 xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 5 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 6 xmlns:local="clr-namespace:Transitions" 7 mc:Ignorable="d" 8 xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes" 9 Title="" Height="600" Width="1080" ResizeMode="NoResize" 10 WindowStartupLocation="CenterScreen" 11 FontFamily="Microsoft YaHei UI Light" 12 WindowStyle="None" MouseDown="Window_MouseDown"> 13 <Grid> 14 <materialDesign:Transitioner SelectedIndex="0" AutoApplyTransitionOrigins="True"> 15 <Grid> 16 <local:UserControlAlarms/> 17 </Grid> 18 <materialDesign:TransitionerSlide> 19 <materialDesign:TransitionerSlide.BackwardWipe> 20 <materialDesign:CircleWipe/> 21 </materialDesign:TransitionerSlide.BackwardWipe> 22 <materialDesign:TransitionerSlide.ForwardWipe> 23 <materialDesign:SlideWipe Direction="Right"/> 24 </materialDesign:TransitionerSlide.ForwardWipe> 25 <local:UserControlNewAlarm/> 26 </materialDesign:TransitionerSlide> 27 </materialDesign:Transitioner> 28 </Grid> 29 </Window>
简单讲解：
1)需要先添加MD控件命名空间
xmlns:materialDesign=”http://materialdesigninxaml.net/winfx/xaml/themes”
2)设置无边框窗体样式并拖动
ResizeMode="NoResize"
WindowStartupLocation="CenterScreen"
FontFamily="Microsoft YaHei UI Light"
WindowStyle="None" MouseDown="Window_MouseDown"
窗体拖动方法
private void Window_MouseDown(object sender, MouseButtonEventArgs e)
{
DragMove();
}
3)设置闹钟列表用户控件和新增闹钟用户控件动画排版
默认显示闹钟列表用户控件local:UserControlAlarms，动画切换时显示新增闹钟用户控件local:UserControlNewAlarm
1 <materialDesign:Transitioner SelectedIndex="0" AutoApplyTransitionOrigins="True"> 2 <Grid> 3 <local:UserControlAlarms/> 4 </Grid> 5 <materialDesign:TransitionerSlide> 6 <materialDesign:TransitionerSlide.BackwardWipe> 7 <materialDesign:CircleWipe/> 8 </materialDesign:TransitionerSlide.BackwardWipe> 9 <materialDesign:TransitionerSlide.ForwardWipe> 10 <materialDesign:SlideWipe Direction="Right"/> 11 </materialDesign:TransitionerSlide.ForwardWipe> 12 <local:UserControlNewAlarm/> 13 </materialDesign:TransitionerSlide> 14 </materialDesign:Transitioner>
3.5 闹钟列表用户控件
代码简单，就是简单展示
1 <UserControl x:Class="Transitions.UserControlAlarms"
2 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
3 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
4 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
5 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
6 xmlns:local="clr-namespace:Transitions"
7 xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
8 mc:Ignorable="d"
9 d:DesignHeight="450" d:DesignWidth="800">
10 <Grid>
11 <Grid.RowDefinitions>
12 <RowDefinition Height="200"/>
13 <RowDefinition Height="50"/>
14 <RowDefinition Height="*"/>
15 </Grid.RowDefinitions>
16 <materialDesign:ColorZone Grid.Row="0" Mode="Dark" VerticalAlignment="Stretch"
17 HorizontalAlignment="Stretch" VerticalContentAlignment="Stretch">
18 <TextBlock Text="闹钟" FontSize="50" Margin="80" VerticalAlignment="Center"/>
19 </materialDesign:ColorZone>
20 <Button Style="{DynamicResource MaterialDesignFloatingActionButton}"
21 Command="{x:Static materialDesign:Transitioner.MoveNextCommand}"
22 HorizontalAlignment="Left"
23 VerticalAlignment="Bottom"
24 Grid.Row="0" Grid.RowSpan="2" Margin="20">
25 <materialDesign:PackIcon Kind="AddAlarm"/>
26 </Button>
27 <ListView Grid.Row="2" Margin="10">
28 <ListViewItem Opacity="0.5">
29 <Grid Width="300">
30 <StackPanel>
31 <TextBlock FontSize="30">05:01</TextBlock>
32 <TextBlock FontSize="30" Opacity="0.8">关闭</TextBlock>
33 </StackPanel>
34 <ToggleButton HorizontalAlignment="Right" VerticalAlignment="Top" Margin="10"/>
35 </Grid>
36 </ListViewItem>
37 <ListViewItem Opacity="0.5">
38 <Grid Width="300">
39 <StackPanel>
40 <TextBlock FontSize="30">05:01</TextBlock>
41 <TextBlock>晴 | 7点48分后响铃</TextBlock>
42 </StackPanel>
43 <ToggleButton IsChecked="True" HorizontalAlignment="Right" VerticalAlignment="Top" Margin="10"/>
44 </Grid>
45 </ListViewItem>
46 </ListView>
47 </Grid>
48 </UserControl>
3.6 新增闹钟用户控件
代码也不多，简单控件布局
1 <UserControl x:Class="Transitions.UserControlNewAlarm"
2 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
3 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
4 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
5 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
6 xmlns:local="clr-namespace:Transitions"
7 xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
8 mc:Ignorable="d"
9 d:DesignHeight="450" d:DesignWidth="800">
10 <Grid>
11 <Grid.RowDefinitions>
12 <RowDefinition Height="200"/>
13 <RowDefinition Height="*"/>
14 </Grid.RowDefinitions>
15 <materialDesign:ColorZone Mode="PrimaryMid" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"
16 VerticalContentAlignment="Stretch">
17 <Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
18 <TextBlock Style="{DynamicResource MaterialDesignHeadlineTextBlock}" Margin="15"
19 VerticalAlignment="Bottom" FontSize="30">新闹钟</TextBlock>
20 </Grid>
21 </materialDesign:ColorZone>
22 <StackPanel Orientation="Horizontal" Grid.Row="1" HorizontalAlignment="Right" Margin="20">
23 <Button Style="{DynamicResource MaterialDesignFlatButton}" Margin="5"
24 Command="{x:Static materialDesign:Transitioner.MovePreviousCommand}"
25 HorizontalAlignment="Right" VerticalAlignment="Bottom" Content="取消"/>
26 <Button Margin="5"
27 Command="{x:Static materialDesign:Transitioner.MovePreviousCommand}"
28 HorizontalAlignment="Right" VerticalAlignment="Bottom" Content="保存"/>
29 </StackPanel>
30 </Grid>
31 </UserControl>
四、文章参考
建议直接打开大神视频学习，他的YouTube上还有很多代码视频哦，参考：
Design com WPF： https://www.youtube.com/watch?v=Bt9swbh_Wfw 。
五、代码下载
文章中代码几乎已经全部贴出，就是这么多。
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