vc截获键盘信息 先编译LaunchDLL，然后把LaunchDLL.h和LaunchDLL.lib复制到KeyHook工程目录中，LaunchDLL.dll复制到Debug目录下-vc keyboard intercepted information compiled LaunchDLL first, and then LaunchDLL.h KeyHook LaunchDLL.lib copied to the project directory, LaunchDLL.dll copied