You can use Windows Mscomm control to communicate with a serial port.
Serial Data Parameters Detector for VFP File #19165
Good practice in using MSCOMM.OCX in VFP File #9636
Basic Serial Communication with MSCOMM File #9336
>
>I have a question for programing with POS display stand
>
>I have some simple code ( VB code ) as below :> Dim customerdispdata As String
> customerdispdata = "Pay"
> Dim paystr As String
> paystr = "HKD" & Trim(Format(payamt, "###,##0.00"))
> customerdispdata = customerdispdata & paystr
>
> On Error Resume Next
> AxNETComm1.CommPort = display_CommPort
> AxNETComm1.set_Settings("9600,N,8,1")
> AxNETComm1.PortOpen = True
> AxNETComm1.set_Output(Chr(12) + customerdispdata)
> AxNETComm1.PortOpen = False
>
>This VB code is copy from our old system, its work in order.
>
>Please exchage the code into VFP command.
--sb--