Description: VB6 XP systems control the printer port, I did test, the factory used, can replace hundreds of dollars on the IO card that contains DLL
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File list (Check if you may need any files):
Print IoCheck
.............\EBX5009.vbp
.............\EBX5009.vbw
.............\EBX500~4.log
.............\Form1.frm
.............\FormModule.bas
.............\io.dll
.............\MSSCCPRJ.SCC
.............\PIODIO.BAS
.............\PRINTIOCHECK.frm
.............\TestModule.bas
.............\句柄及消息控制.bas
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