VC++设置打印参数，可设置打印纸，设置打印参数、获取电脑中所安装的打印机。在测试前，请确保您已安装好打印机和驱动，否则什么也不能做。- VC++ Set the print parameters, you can set the paper, set the print parameters, to obtain the printer installed in the computer. Before the test, make sure you have installed the