WPF简单的跨线程控件实现

public delegate void SetTextCallback(Label label, string text);

/// /// Interaction logic for Window1.xaml

///

public partial class Window1 : Window

{ Thread tr = null; public Window1(

) {

InitializeComponent();

tr = new Thread(new ThreadStart(LoopDoThread)); tr.Start(); }

public void LoopDoThread()

 {

int i=0;

 while(true)

 {

SetThreadText(lb , i.ToString()); i++; }

 }

 /// /// 跨线程调用控件

/// /// Label控件

/// 准备赋的值

private void SetThreadText(Label label, string text)

 { if (System.Threading.Thread.CurrentThread != label.Dispatcher.Thread)

 { SetTextCallback method = new SetTextCallback(this.SetThreadText);

base.Invoke(method, new object[] { label, text });

label.Dispatcher.Invoke(method, new object[] { label, text });

}

 else

 {

label.Content = text;

}

 }