一些获取系统信息的编程实例，包括CDROM控制，CPU和MOUSE信息，USB编程，测试CPU速度，检测键盘按键，列出进程，鼠标钩子编程系统硬件信息和注册表编程。-Some access to information system programming examples, including CDROM control, CPU and mouse information, USB programming, the CPU speed test to detect the keyboard k