Description: Often encounter some programs can only be sent to the default printer, and sometimes need to switch different paper Print, the program switches between two two printers.
Beginners written in relatively simple, be it for everyone to put ideas
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File list (Check if you may need any files):
打印机
......\Project1.cfg
......\Project1.dof
......\Project1.dpr
......\Project1.res
......\Unit1.dcu
......\Unit1.ddp
......\Unit1.dfm
......\Unit1.pas
......\Unit1.~ddp
......\Unit1.~dfm
......\Unit1.~pas
......\打印机.exe
......\默认打印机修改.exe
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