USB开发，初次登陆，只能找个比较有用的代码来填充一下，望大家谅解！-USB development, the initial landing, only to find more useful code to fill that understanding we hope!

windowsXP的DDK，用来开发WINDOWS的驱动程序，有些用户无法登陆国外网站，可以使用这个。-windowsXP the DDK, used to develop Windows drivers, Some users can not landing overseas sites can use this.

该代码实现了在windowsXP或2000上的登陆界面时改变，实现了用户字定义界面的登陆屏蔽了热键等功能。-the realization of the code in 2000 windowsXP or landing on the interface changes Implementation of the user interface definition of the word landing shielding the hotkeys, and other functions.

该资源包含了使用VC或者VB去控制PLC和道闸的起落，里面包含了道闸通讯的协议。如果需要做控制类的软件是个不错的参考.-The resource contains a VC or VB to control the PLC and the gate of the landing, which contains the communication protocol. If you need to do the software is a good control of the reference.