屏蔽alt+f4.txt

c#的知识类库

1.将窗体的属性KeyPrieview设置为true
2.在窗体KeyDown事件中加如下代码
private void FormVali_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
		{
			//屏掉alt+f4
			if ((e.KeyCode == Keys.F4)&&(e.Alt == true))
			{
				e.Handled = true;
			}

		}