C#中多個button的功能壹致怎麽寫壹個button的代碼控制全部的button

button1.click = new System.EventHandler(button_Click);

button2.click = new System.EventHandler(button_Click);

button3.click = new System.EventHandler(button_Click);

button4.click = new System.EventHandler(button_Click);

button5.click = new System.EventHandler(button_Click);

button6.click = new System.EventHandler(button_Click);

button7.click = new System.EventHandler(button_Click);

private void button_Click(objet sender ,EventArgs e)

{

Button btn =(Button)sender ;

//實例化按鈕，從而獲取當前單擊按鈕的值

if (value1 == null)

{

value1 = Convert.ToDouble(btn.Text);

}

else

{

value2 = Convert.ToDouble(btn.Text);

}

this.txtvalue.Text = btn.Text; //窗體中有txtvalue控件並給它賦值

}