//p为3是增加,4为修改 public void ShowFrmChangeDesk(int p) { FrmChangeDesk fcDesk = new FrmChangeDesk(); //添加一个事件 this.Myevt += new EventHandler(fcDesk.SetTxt); fea.Temp = p; if (this.Myevt != null) { this.Myevt(this, fea); } fcDesk.FormClosed += new FormClosedEventHandler(fcDesk_FormClosed); fcDesk.ShowDialog();//显示餐桌信息的窗体 }