前段时间做键盘程序，查了很多资料，这是个钩子程序，网上也可以找到，后面还有一个虚拟键盘程序，读一下会为写键盘程序省不少力气-side of the keyboard to do procedures, and examine a lot of information, this is a hook procedures can be found online. but behind a virtual keyboard procedures, read the keyboard to write