该代码的功能是设置键盘钩子，记录键盘操作记录，包括键盘扫描码。-the function of this code is setting keyboard hooking and keeping the log of keyboard operation,the scan code is also included in it.

实现键盘记录的功能，很简介的程序，调用d-Features to achieve record keyboard, it profile program, call the dll