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public Thread t1;
  delegate void DoThingCallBack();
  private void button2_Click(object sender, EventArgs e)
  {
  string name = "100";
  t1 = new Thread(new ThreadStart(c1));
  t1.Start();
  }
  private void c1()
  {
  if (webBrowser1.InvokeRequired)
  {
  DoThingCallBack cb = new DoThingCallBack(c1);
  this.Invoke(cb);
  }
  else
  {
  label1.text = "???";
  }
  }

Õâ¶Î´úÂëÖУ¬ÈçºÎ°Ñstring nameµÄÖµ´«Ë͵½label1.textÖУ¿

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label1.text=name
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cb.Invoke(²ÎÊý)£¿

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delegate void DoThingCallBack(string str);

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C# code:

delegate void DoThingCallBack(string xxx);

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C# code:

//¸øÄã¸öÀý×Ó
public partial class Form1 : Form
{
public delegate void MyEventHandler(string username);//ÓëËùµ÷Óõķ½·¨ÖеIJÎÊýÏàͬ
public event MyEventHandler myevent;
public Form1()