wpf 线程

Question

wpf不知道怎么实现
只知道winform下的实现方法。。在新线程里用委托实现对label.Text的更改

Answer 1

Task.Factory.StartNew(()=>
{
   int count=5;
   while(count>=0)
   {
      this.Invoke(new Action(()=>
      {
          lable.Text=count.toString();
       }));
       count--;
       Thread.Sleep(1000);
    }
    this.Invoke(new Action(()=>
      {
          lable.Text="加载";
       }));
});

Answer 2

Thread ths = new Thread(()=>{
          Thread.Sleep(5000);
          textbloc.Text = "加载";
});
ths.IsBackground = True;
ths.Start();

Answer 3

Task.Factory.StartNew(()=>
 {  
        Thread.Sleep(5000);
        this.Invoke(new Action(()=>
       {
           label.Text="加载";
        }));
 });