安全移除usb设备功能，可禁止某类usb设备的使用，实行系统安全控制Removing a USB drive using the Windows tray icon is easy - especially if you single left-click it... But sometimes it s useful to it from your program-safety equipment functions, prohibit certain types of equipment u

usb的PNP设备的自动卸载，模拟弹出，VC6.0环境-Auto unplug of USB PNP device