File list (Check if you may need any files):
获取系统打印机和默认打印机信息\Project1.cfg
..............................\Project1.dof
..............................\Project1.dpr
..............................\Project1.exe
..............................\Project1.res
..............................\Unit1.dcu
..............................\Unit1.ddp
..............................\Unit1.dfm
..............................\Unit1.pas
..............................\Unit1.~dfm
..............................\Unit1.~pas
获取系统打印机和默认打印机信息