>Perhaps it accepts a command to start the scanning? Or else another method is used such as a power button, etc? When you get the actual device, the manual or the website should tell you more...
>
>
>
>>>See my other message I just sent you in the other thread. Do you have a USB device which accepts data (commands) and responds with data you can use for testing?
>>>
>>>
>>>>>Ed's Faq does it for you:
>>>>>

>>>>>LOCAL oComm, i, cOldErrorHandler
>>>>>DECLARE aComPorts[16]
>>>>>aComPorts = .T.
>>>>>cOldErrorHandler = ON('ERROR')
>>>>>FOR i = 1 TO 16
>>>>>  oComm = CREATEOBJ('MsCOMMLib.Mscomm')
>>>>>  oComm.CommPort = i
>>>>>  ON ERROR aComPorts[i] = .F.
>>>>>  oComm.PortOpen = .T.
>>>>>  oComm.PortOpen = .F.
>>>>>  oComm = NULL
>>>>>  ON ERROR &cOldErrorHandler
>>>>>ENDFOR

Thanks
>>>>>For i = 1 TO 16
>>>>>	IF aComPorts[i]
>>>>>		? [Comm Port ] + ALLTRIM(STR(i)) + [ is valid]
>>>>>	ENDIF
>>>>>ENDFOR
>>>>>

>>>>>
>>>>>>>Up to 16,
>>>>>>>
>>>>>>>FAQ #7943
>>>>>>>
>>>>
>>>>Thanks Tracy but what about USB ports?
>>>>
>>>>Colin
>>>>>>>>Hi all,
>>>>>>>>
>>>>>>>>is there a vfp command that can give me the number of serial ports installed ?
>>>>>>>>
>>>>>>>>Best Regards,
>>>>>>>>Hans
>>>>>>
>>>>>>Jim
>>>>>>
>>>>>>Is there a VFP command which can tell me what those ports are?
>>>>>>
>>>>>>Thanks
>>>>>>
>>>>>>Colin
>>
>>
>>Tracy
>>
>>Struggling to answer your questions - at the moment the first of my trial USB scanners comes tomorrow - I assumed it was only a reader and therefore could not accept data
>>
>>I had thought that if I knew the port ID (hence my original question) I could access the data with FGETS() commands - and do this in a loop - am I wrong to do it this way?
>>
>>
>>
>>Colin