vb-Turn-off-the-monitor

代码说明：

  vb 关闭显示器,经常使用键盘关闭显示器容易造成磨损，按键易损坏，于是就用vb写了一个关闭显示器的程序.(vb turn off the monitor, keyboard, turn off the monitor often use is likely to cause wear buttons easily damaged, so he used to write a vb program off the monitor.)