Delphi截取键盘信息，基于keyspy.dll，有源码，将键盘输入动作写入c:\debug.txt文件中，关键点：加载钩子，定义一个用户消息，截获消息的过程等，键盘HOOK参考类代码。-Delphi intercept keyboard information, based on keyspy.dll, a source, the keyboard input action write c: \ debug.txt file, the key point: Load hook, define a user message, intercepted messages and other processes, keyboard HOOK reference class code .