在silverlight中使用矩形构建一个按钮文本属性的关键代码

 public static readonly DependencyProperty GreenButtonsTextProperty=DependencyProperty.Register("GreenButtonsText",typeof(string),typeof(MyButton),null);
  public string GreenButtonsText{
   get{return (string)GetValue(GreenButtonsTextProperty);}
   set{SetValue(GreenButtonsTextProperty,value);}