一个虚拟打印机驱动，可在基础上做二次开发，非常不错的源码-A virtual printer driver, can be done on the basis of secondary development, a very good source ~~~~~~~

可以作为虚拟打印机的开发框架，已经有工程目录啦 只需要配置好环境 即可进入开发-Can be used as a virtual printer development fr a mework