如何设置才能把winform主窗体右上角的交叉成为退出程序的按钮？

Question

右上角的交叉默认只为隐藏窗体，如何修改才能变成退出整个程序的效果？

Answer 1

  private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (e.CloseReason == CloseReason.UserClosing)
            {
                Application.DoEvents();
            }
        }

Answer 2

   this.FormClosed += new FormClosedEventHandler(Form2_FormClosed);
        void Form2_FormClosed(object sender, FormClosedEventArgs e)
        {
            application.Exit();
        }