C#编写的windows计算器-源代码

C#编写的windows计算器-源代码(47)                 txtShow.Copy();
            }
        }
        //
       //粘贴
        private void menuItem3_Click(object sender, System.EventArgs e)
        {
            txtShow.Paste();
        }
      
          //调用windows xp中的计算器
        private void menuItem9_Click(object sender, System.EventArgs e)
        {
             Help.ShowHelp(this,"C:\\WINDOWS\\system32\\calc.exe");
        }
        //退出
        private void menuItem10_Click(object sender, System.EventArgs e)
        {
            Application.Exit();
        }

        #endregion

       
    }
}