利用windows虚拟打印机技术实现的虚拟打印机-The use of windows virtual printer technology to achieve a virtual printer! ! ! ! !

基于对话框的打印预览程序。将源码拷贝到工程工，在需要实现打印即打印预览之处，调动打印类就行了！-Print Preview dialog-based program. Copy the source code to the project workers need to achieve in print or print preview of the Department, transfer printing type on the line!