Thanks Sylvain. Now I have to learn COM, ADO and/or XML... ;-<

>I would build a COM in VB to generate the invoicing lines and transfert them to VFP via ADO or XML.

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>I have an accounting system written in VFP6 and a quotation system written in VB6.
>>When the user goes into the invoicing, I would like to automatically get the invoicing lines (details) generate by VB6. Something like calling a VB6 application with parameters (that will provide the VB quotation system with the needed information to select the good quote) and get the result so I can insert it in the VFP invoicing system.
>>Should I use OLE, XML, whatever?