Hi,
Have you looked at COMARRAY()?
>Hi Everybody,
>
>I am tinkering with a fingerprint scanner ActiveX control (Digital Persona).
>
>Instantiating, dropping and working with it seems to go on smoothly... till the last event called Done(), where it passes a "Fingerprint Template - FPTemplate" object variable.
>
>This is the code I created in the ActiveX control's Done() event:
>
>
>*** ActiveX Control Event ***
>LPARAMETERS ptemplate
>
>LOCAL lblobFingerPrnt, lnResult
>
>WAIT WINDOW NOWAIT "Creating Employee Record..." NOCLEAR
>
>lnResult = ptemplate.Export( @lblobFingerPrnt )
>
>IF lnResult # Er_OK
> MESSAGEBOX( "Error in getting Registration Template" )
> RETURN
>ENDIF
>
>APPEND BLANK IN employee
>replace employee.lastname WITH thisform.txtLastname.Value,;
> employee.firstname WITH thisform.txtFirstname.Value,;
> employee.fingerprnt WITH lblobFingerPrnt
>
>WAIT CLEAR
>
>
>I get "Data type mismatch" using the above. Going thru the Debugger, the value of variable lblobFingerPrnt is always .F. and is never updated even when invoking the Export method.
>
>This 'ptemplate' object variable, as per it's documentation, has an Export method, like so:
>
>
>Export([out] VARIANT* pVal, [out,retval] AIErrors *pErr)
>
>* Exports the template object as a signed blob of bytes.
>* This may then be saved by the developer in the database of his choice.
>
>
>HELP! Obviously it has something to do with a VARIANT data type. Furthermore, the employee.fingerprnt field is of Blob type. Could this be wrong?
>
>Thanks in advance!
>
>Happy Holidays! Cheers!
>
>Dennis