WP7 实现变形特效

 

　　XAML：

 < Canvas x:Name= "LayoutRoot"  Background= "White">
        < Image x:Name= "img"  Stretch= "None"  Source= "../images/jiqiren2.jpg"  
Canvas.Left= "177"  Canvas.Top= "0">< /Image>
        < Button FontSize= "18"   Content= "旋转对象"  Canvas.Left= "278"  
Canvas.Top= "142"  Click= "Button_Click"  />
    < /Canvas>

　　后台：

public partial  class RenderTransformWithCSharp : UserControl
    {
         private  int angle = 0; //声明旋转角度变量
         //声明旋转对象
         private RotateTransform rotate =  new RotateTransform();
         public RenderTransformWithCSharp()
        {
            InitializeComponent();
        }

         private  void Button_Click( object sender, RoutedEventArgs e)
        {
             //每次点击增加45度
            angle += 45;
             //指定旋转对象的角度
            rotate.Angle = angle;
             //设置旋转角度中心点
            rotate.CenterX = 100;
            rotate.CenterY = 100;
             //将旋转对象赋给UI变形对象
            img.RenderTransform = rotate;
        }
    }