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Option Explicit
Dim sj As String
Private Sub Command1_Click()
Dim strSend As String
strSend = "本人有一个RS232,要实现上位机的自发自收,求高手帮忙~"
MSComm1.Output = strSend
End Sub
Private Sub Form_Load()
MSComm1.InputMode = comInputModeText
MSComm1.Settings = "9600,n,8,1"
MSComm1.RThreshold = 1
MSComm1.PortOpen = True
End Sub
Private Sub MSComm1_OnComm()
Select Case MSComm1.CommEvent
Case 2
sj = sj & MSComm1.Input
Text1.Text = sj
End Select
End Sub