WPF做一个侧边栏滑动进入的效果

 1 <Window x:Class="WpfApp12.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:local="clr-namespace:WpfApp12"
 6         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 7         Title="MainWindow"
 8         Width="800"
 9         Height="450"
10         mc:Ignorable="d">
11     <Grid>
12 
13         <Button Width="150" Height="30">
14             <Button.Triggers>
15                 <!--  用按钮的鼠标进入事件来触发进入动画  -->
16                 <EventTrigger RoutedEvent="MouseEnter">
17                     <BeginStoryboard>
18                         <!--  进入动画  -->
19                         <Storyboard Storyboard.TargetName="border" Storyboard.TargetProperty="RenderTransform.X">
20                             <DoubleAnimation From="120"
21                                              To="0"
22                                              Duration="0:0:1">
23                                 <DoubleAnimation.EasingFunction>
24                                     <!--  设置缓动模式和振荡次数  -->
25                                     <BackEase Amplitude="0.5" EasingMode="EaseOut" />
26                                 </DoubleAnimation.EasingFunction>
27                             </DoubleAnimation>
28                         </Storyboard>
29                     </BeginStoryboard>
30                 </EventTrigger>
31             </Button.Triggers>
32         </Button>
33         <!--  侧边栏  -->
34         <Border x:Name="border"
35                 Width="120"
36                 HorizontalAlignment="Right"
37                 Background="LightSkyBlue">
38             <!--  位移效果  -->
39             <Border.RenderTransform>
40                 <TranslateTransform x:Name="tt" X="120" />
41             </Border.RenderTransform>
42             <Border.Effect>
43                 <DropShadowEffect Direction="225"
44                                   Opacity="0.6"
45                                   ShadowDepth="1"
46                                   Color="Black" />
47             </Border.Effect>
48             <Border.Triggers>
49                 <!--  鼠标的左键按下事件来触发退出动画  -->
50                 <EventTrigger RoutedEvent="MouseLeftButtonDown">
51                     <BeginStoryboard>
52                         <!--  退出动画  -->
53                         <Storyboard Storyboard.TargetName="tt" Storyboard.TargetProperty="X">
54                             <DoubleAnimation From="0"
55                                              To="120"
56                                              Duration="0:0:1" />
57                         </Storyboard>
58                     </BeginStoryboard>
59                 </EventTrigger>
60             </Border.Triggers>
61         </Border>
62 
63     </Grid>
64 </Window>