GetValue和SetValue是在托管代码中直接获取或设置对象属性的一种方法,如下面例子:
<Rectangle x:Name="rect_MyRectangle" Width="100" Height="100" Fill="Blue"></Rectangle> <TextBlock x:Name="txb_MyText2" />
C#代码:
public yufa2() { InitializeComponent();//利用GetValue和SetValue double left = 400; double top = 30; double radius = 10; string width; string height; //设置矩形的位置 rect_MyRectangle.SetValue(Canvas.LeftProperty, left); rect_MyRectangle.SetValue(Canvas.TopProperty, top); //设置矩形的圆角度 rect_MyRectangle.SetValue(Rectangle.RadiusXProperty, radius); rect_MyRectangle.SetValue(Rectangle.RadiusYProperty, radius); //获取矩形的宽和高 width = rect_MyRectangle.GetValue(Rectangle.WidthProperty).ToString(); height = rect_MyRectangle.GetValue(Rectangle.HeightProperty).ToString(); //输出文本 txb_MyText2.Text = "矩形的宽是:" + width + " 高是:" + height; txb_MyText2.SetValue(Canvas.LeftProperty, 400.00); }
运行如图: