Silverlight4.0中移动一个元素动画的后台代码

概述public Storyboard CreateMoveAnimation(UIElement animationTarget, Point sourcePoint, Point targetPoint, Duration duration) { //throw new NotImplementedException(); Doub

        public Storyboard CreateMoveAnimation(UIElement animationTarget,Point sourcePoint,Point targetPoint,Duration duration)        {            //throw new NotImplementedException();            DoubleAnimation xda = new DoubleAnimation(),yda = new DoubleAnimation();            xda.From = sourcePoint.X;            xda.To = targetPoint.X;            yda.From = sourcePoint.Y;            yda.To = targetPoint.Y;            xda.Duration = yda.Duration = duration;                       //(animationTarget.Rendertransform).(Compositetransform.TranslateXProperty)            Storyboard.SetTarget(xda,animationTarget);            Storyboard.SetTargetProperty(xda,new PropertyPath("(UIElement.Rendertransform).(Compositetransform.TranslateX)"));            Storyboard.SetTarget(yda,animationTarget);            Storyboard.SetTargetProperty(yda,new PropertyPath("(UIElement.Rendertransform).(Compositetransform.TranslateY)"));            Storyboard sb = new Storyboard();            sb.Children.Add(xda);            sb.Children.Add(yda);            sb.Begin();            return sb;        }

请注意正确使用SetTargetProperty里面的new PropertyPath，如果设置不正确动画没发正常显示。

如果不敢肯定自己要移动的那个元素是否能使用这种PropertyPath，请现在Blend或者VS中手动拖动出一个动画，分析生成的XAML文件中TargetProperty属性的值，就知道应该怎么填了。

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