WPF - 动画问题 [英] WPF -- Animation Question
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问题描述
新的WPF。简单的场景。想不通这样做的正确方法。
New to WPF. Simple scenario. Can't figure out the right way to do this.
说我有一个按钮。我也有四个的TextBlocks。我想,一个按钮,在同一时间触发所有的TextBlocks的动画(不透明度从0到1)。
Say I have a single Button. I also have four TextBlocks. I want that one button to trigger an animation (Opacity from 0 to 1) on all of the TextBlocks at the same time.
在此先感谢!
推荐答案
这应该去做...
<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="WpfApplication1.MainWindow"
x:Name="Window"
Title="MainWindow"
Width="640" Height="480">
<Window.Resources>
<Storyboard x:Key="OnClick1">
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="textBlock" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:00.5000000" Value="1"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="textBlock1" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:00.5000000" Value="1"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="textBlock2" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:00.5000000" Value="1"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="textBlock3" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
<SplineDoubleKeyFrame KeyTime="00:00:00.5000000" Value="1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</Window.Resources>
<Window.Triggers>
<EventTrigger RoutedEvent="ButtonBase.Click" SourceName="button">
<BeginStoryboard Storyboard="{StaticResource OnClick1}"/>
</EventTrigger>
</Window.Triggers>
<Grid x:Name="LayoutRoot">
<StackPanel>
<Button x:Name="button" Width="131" Height="37" Content="Button" Margin="0,0,0,22"/>
<TextBlock x:Name="textBlock" Height="27" Text="TextBlock 1" TextWrapping="Wrap" Opacity="0"/>
<TextBlock x:Name="textBlock1" Height="27" Text="TextBlock 2" TextWrapping="Wrap" Opacity="0"/>
<TextBlock x:Name="textBlock2" Height="27" Text="TextBlock 3" TextWrapping="Wrap" Opacity="0"/>
<TextBlock x:Name="textBlock3" Height="27" Text="TextBlock 4" TextWrapping="Wrap" Opacity="0"/>
</StackPanel>
</Grid>
</Window>
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