Windows系统中应用程序捕获Ctrl+C组合键事件的例程。在一些用于硬件设备控制的命令行程序中，使用Ctrl+C组合键处理程序来柔和地结束硬件控制程序，避免粗暴终止程序带来的系统崩溃或数据丢失。-Windows system, application, Ctrl+ C key combination to capture the event routines. In a number of hardware devices used to control the command-line program, use the Ctrl+ C key combination to gently end of the processing hardware control procedures, to avoid the brutal termination of proceedings brought by a system crash.