这个VB小程序主要实现一种功能，就是对CDROM光驱的控制，点击窗口中的按钮，可弹出光盘盒，再次点击则关闭光盘托，如果光驱中有光盘，则会开始读盘操作。是一个最简单的对光驱动的操作。-This small program to implement a VB function is to control the CDROM drive, click on the window button, you can eject the disc box, click again to close the disc tray, if you have a CD-ROM drive, it will start to read the disk operation. Is a simple light-driven operation.