说明：  一个拦截并修改输入法的注入技术（注入DLL是做全局钩子或者拦截类软件都有可能用到的技术）、给出了完整的示例代码希望对大家有所帮助。
(An intercept and modify the input method of the injection technology (global hook into the DLL are doing, or are likely to be used to intercept class software technology), gives a complete sample code you want to help.)