This used to write the control of the Serial procedures, vb classic works

Packet : 7941940vb串口程序.rar filelist
vb6\comset.frm
vb6\dat.mdb
vb6\main.frm
vb6\main.frx
vb6\Module1.bas
vb6\qth.vbp
vb6\qth.vbw
vb6

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