in Delphi, in a PC computer can control many printers, and the print paper units of different sizes, this function very useful. If only to set the print data which printers do not need to control the printer port, only need to use the printer can Index, the default printer for the first printers, according to the order after order, but the first printers, the index is 0 to-1.

Delphi控制针式打印的纸张大小的函数.doc

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