>>>You should pass an object to form B:
>>>

>>>oCallobject=createobject('custom')
>>>oCallobject.addproperty('returnvalue')
>>>=createobject('formb',oCallobject)
>>>....
>>>

>>>and you will accept oCallobject in FormB.Init event, and populate Returnvalue property within that form.
>>>
>>>
>>
>>Looks good.
>>
>>How do I trigger FormA to know that FormB is now gone and I have a change in ReturnValue property (so as to update an input grid with that value and refresh the form)?
>>
>>Thanks!
>>
>Is FormB modal or modeless?

FormA is MODAL and FormB is MODELESS.