键盘钩子程序，一个是包含钩子功能的DLL文件，一个是对话框程序，将键盘钩子程序诸如到对话框程序中实现键盘信息截获。-The keyboard hook procedure, a DLL containing the hook function in the file, one is the dialog box procedure, such as the keyboard hook into the dialog box procedure processes the information