Private Sub CmdExit_Click()MSComm1.PortOpen = False
EndEnd SubPrivate Sub CmdReceive_Click()Dim buf$
buf = Trim(MSComm1.Input)
If Len(buf) = 0 Then
txtReceive.Text = "Empty"
Else
txtReceive.Text = buf
End IfEnd SubPrivate Sub CmdSend_Click()MSComm1.Output = Trim(txtSend.Text)End SubPrivate Sub Form_Load()MSComm1.CommPort = 1
MSComm1.PortOpen = TrueEnd Sub
代码如上。编译就出现‘8002’无效端口号,这个是怎么回事情?
With MSComm1
.CommPort = 1
.Settings = "9600,n,8,1"
.InputLen = 0
If Not .PortOpen Then .PortOpen = True
End With
End Sub