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我在画布内有一个图像。当加载 UserControl 时,图像向上移动。

<Canvas x:Name="cnvMain"  Width="300" VerticalAlignment="Center" Height="200" SnapsToDevicePixels="True">
    <Image x:Name="Image1"    Width="200"  Stretch="None" Canvas.Bottom="0"  Source="ImageGallery/Desert.jpg" ></Image>
</Canvas>

我使用了双动画。

    DoubleAnimation _Animation;
    private Storyboard _StoryBoard;

    private void UserControl_Loaded(object sender, RoutedEventArgs e)
    {

        _Animation = new DoubleAnimation();
        _Animation.From = -Image1.ActualHeight;
        _Animation.To = cnvMain.ActualHeight;
        _Animation.RepeatBehavior = RepeatBehavior.Forever;
        _Animation.Duration = new Duration(TimeSpan.Parse("0:0:10"));
        _Animation.FillBehavior = FillBehavior.Stop;
        Storyboard.SetTarget(_Animation, Image1);
        Storyboard.SetTargetProperty(_Animation, new PropertyPath(Canvas.BottomProperty));
        _StoryBoard = new Storyboard();
        _StoryBoard.Children.Add(_Animation);
        _StoryBoard.Begin();
    }

这段代码运行良好。我的问题是画布没有像框架一样覆盖图像(图像尺寸大于画布,我希望查看画布内的图像区域)。当我将 Canvas 更改为 Grid 时,它会覆盖在图像之外,但动画不起作用。

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1 回答 1

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尝试并在您的画布上使用:ClipToBounds="True"

于 2012-08-21T17:01:38.663 回答