winform 右键单击事件

 1 private void Form1_MouseClick(object sender, MouseEventArgs e)  
 2       {  
 3           if (e.Button == MouseButtons.Left && e.Clicks == 1)  
 4           {  
 5               this.label1.Text = "您单击了鼠标左键！";  
 6           }  
 7           else if (e.Button == MouseButtons.Right && e.Clicks == 1)  
 8           {  
 9               this.label1.Text = "您单击了鼠标右键！";  
10           }  
11       }