因为打印纸的大小决定了打印机的的范围和走纸情况，在WINDOWS系统中提供了许多规格的打印纸，但在实际应用中，这些规格并不能满足要法语。因此，在设计程序时，需要自定义纸张的大小。本程序GETPRINTER方法获取打印机信息，设置打印纸大小。-Because the size of paper the printer determines the scope and feeding conditions, in the WINDOWS system offers many sizes of paper, but in practical applications, and can not meet these specifications to be French. Thus, in the design process, you need a custom paper size. The program GETPRINTER method to get printer information, set paper size.