>>>I have a CR3001 electronic cash drawer manufactured by Logic Control Inc. The functional test checks out fine. But I cannot make my VFP open it via serial port connection.
>>>
>>>If anyone has had any experience with this product or can help it would be most appreciated.
>
>>You need to use the MSCOMM32 OCX to control the serial port; you can't do it in VFP using low-level file I/O.
>
>
>Thanks.
>Where would I look to find out how to use MSCOMM32.OCX?


Look in the FAQ here and in the Files Section - both have sample code for manipulating MSCOMM32 from within VFP. The docs on the MSCOMM32 control in the MSDN contains samples in VB, but converting them from VB to VFP is relatively trivial.