Storyboard storyboard = new Storyboard();//创建故事板
DoubleAnimation doubleAnimation = new DoubleAnimation();//实例化一个Double类型的动画
RotateTransform rotate = new RotateTransform();//旋转转换实例
this.fan.RenderTransform = rotate;//给图片空间一个转换的实例
storyboard.RepeatBehavior = RepeatBehavior.Forever;//设置重复为 一直重复
storyboard.SpeedRatio = 2;//播放的数度
//设置从0 旋转360度
doubleAnimation.From = 0;
doubleAnimation.To = 360;
doubleAnimation.Duration = new Duration(new TimeSpan(0, 0, 2));//播放时间长度为2秒
Storyboard.SetTarget(doubleAnimation, this.fan);//给动画指定对象
Storyboard.SetTargetProperty(doubleAnimation,
new PropertyPath("RenderTransform.Angle"));//给动画指定依赖的属性
storyboard.Children.Add(doubleAnimation);//将动画添加到动画板中
storyboard.Begin(this.fan);//启动动画
