转载地址:http://blog.csdn.net/yuzelong36/article/details/4028768
//新建一个代理 private delegate void txtHandeler(object obj); //新建一个线程 private void btnNewThread_Click(object sender, EventArgs e) { Thread thread = new Thread(manyThreads); thread.Start(sender); } //具体赋值方法 private void manyThreads(object obj) { //(1)方法(1)错误,如果不用(2)方法不能给textBox赋值,因为不是从创建它的线程访问它; //textBox1.Text = "adfasfd"; //(2)方法(2)正确,用一个代理访问它,并invoke txtHandeler txthandler = new txtHandeler(evaluateTxt); textBox1.Invoke(txthandler, new object[] { obj }); } private void evaluateTxt(object obj) { textBox1.Text = "new world!"; }