键盘信息截获。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，就OK了。-Keyboard information intercepted. Compiled first LaunchDLL, then LaunchDLL.h, and LaunchDLL.lib copy to KeyHook project directory, LaunchDLL.dll copied int