VC.NET磁盘功能设置演示，各驱动器相关的操作演示，比如隐藏和显示驱动器，判断磁盘驱动器类型、启用光驱自动播放功能、打开/关闭光驱、获取系统内存使用情况。-Setting the presentation the VC.NET disk function, operation and demonstration of the drive, such as hide and display drivers, determine the type of disk drive, CD-ROM Aut