cs代码实现控件移动TranslateTransform

xaml：

<Rectangle><Rectangle.RenderTransform><TranslateTransformx:Name="myTranslateTransform"/></Rectangle.RenderTransform></Rectangle>

cs:

myTranslateTransform.X = myTranslateTransform.X + 15;

myTranslateTransform.Y = myTranslateTransform.Y + 15;

http://msdn.microsoft.com/en-us/library/windows/apps/system.windows.media.translatetransform%28v=vs.105%29.aspx