see this site for a short description of using the control for receiving :

http://support.microsoft.com/support/kb/articles/Q158/0/08.asp

You need to set the RThreshold property to something other than the default 0, for the OnComm event to fire.

>Please help...
>
>I'm developing a program to capture text data from other computer running HyperTerminal.
>
>I use the MSCOMM32.OCX in VFP5 and create a form to try it.
>In the Init event of the form I put the following statements:
>
>WITH THISFORM
> .Olecontrol1.CommPOrt = 2
> .Olecontrol1.settings = "2400,N,8,1"
> .Olecontrol1.InputLen = 0
> .Olecontrol1.PortOpen = .T.
>ENDWITH
>
>and in the OnComm event of OleControl1 I put the following:
>
>*** OLE Control Event ***
>*
>#define _END_CHAR CHR(10)
>IF THIS.CommEvent = 2
> IF THIS.InBufferCount>0
> lcString = THIS.Input
> IF !(lcString == "")
> THIS.Parent.cModemBuffer = THIS.Parent.cModemBuffer + lcString
> i = 1
> DO WHILE LEN(THIS.Parent.cModemBuffer)>0 AND ;
> ASC(SUBSTR(THIS.Parent.cModemBuffer, i, 1))!=0
> IF SUBSTR(THIS.Parent.cModemBuffer, i, 1) = _END_CHAR
> THIS.Parent.cModemStr = THIS.Parent.cModemStr + LEFT(THIS.Parent.cModemBuffer, i)
> THIS.Parent.cModemBuffer = SUBSTR(THIS.Parent.cModemBuffer, i+1)
> *
> THIS.Parent.ProcessModemStr()
> i = 1
> ELSE
> i = i + 1
> ENDIF
> ENDDO
> ENDIF
> ENDIF
>ENDIF
>
>cModemBuffer and cModemStr are Properties that I create for the form.
>ProcessModemStr is a method that I create for the form to process the cModemStr.
>
>The problem is that I can not receive text data from other computer running HyperTerminal.
>
>But I can send text data from a text box to other computer running HyperTerminal.
>
>
>Thank's for your help and
>Best Regards,