用VB程序首先检查光驱是否准备好或光驱中是否为VCD光碟，然后利用VB模拟XingMPEG的键盘动作，通过短短的几行程序，实现VCD光盘的自动播放。-CD-ROM drive with a VB program first checks whether the drive is ready for the VCD or CD, then use the VB simulations XingMPEG keyboard action, by just a few lines of code to achieve auto play VCD discs.