系统钩子（键盘钩子，鼠标钩子等等）已是我们最长用的手段，要做钩子程序就必须用到下面这几个函数使用动态链接库（dll)，即要实现全局系统钩子。这里就这几个函数的参数做一下详细的讲解-Hook (hook the keyboard, mouse, hook, etc.) is the longest we have the means used, the hook procedure must be used to do these functions use the following dynam