动画 - 标签 - 腾讯云开发者社区-腾讯云

下面是一个使用故事板动画矩形渐变的例子。 <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="GradientBrushAnimation.MainWindow" x:Name="Window" Title="MainWindow" Width="640" Height="480"> <Window.Resources> <Storyboard x:Key="Storyboard1"> <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[0].(GradientStop.Color)" Storyboard.TargetName="rectangle"> <EasingColorKeyFrame KeyTime="0:0:2" Value="Red"/> </ColorAnimationUsingKeyFrames> <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Color)" Storyboard.TargetName="rectangle"> <EasingColorKeyFrame KeyTime="0:0:2" Value="#FF71FF00"/> </ColorAnimationUsingKeyFrames> </Storyboard> </Window.Resources> <Window.Triggers> <EventTrigger RoutedEvent="FrameworkElement.Loaded"> <BeginStoryboard Storyboard="{StaticResource Storyboard1}"/> </EventTrigger> </Window.Triggers> <Grid x:Name="LayoutRoot"> <Rectangle x:Name="rectangle" Margin="78,102,292,144" Stroke="Black"> <Rectangle.Fill> <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0"> <GradientStop Color="Black" Offset="0"/> <GradientStop Color="White" Offset="1"/> </LinearGradientBrush> </Rectangle.Fill> </Rectangle> </Grid> </Window>... 展开详请

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