线程间操作无效：从不是创建控件“XX”的线程访问它,多线程问题

  Thread threadDown = new Thread(new ThreadStart(DownUpdateFile));
                threadDown.IsBackground = true;
                threadDown.Start();

CheckForIllegalCrossThreadCalls = false;  //重點加上這個

 

 

 

 

private   void DownUpdateFile()

{

.................................

}