>>>>>>Is there an easy way to prevent two copies of a modeless form from running? I have been trying to use the FindWindowEx api call but I am getting frustrated with figuring out the class name of the child window I am looking for. Please help.
>>>>>
>>>>>Do you mean two modeless forms within the same application?
>>>>
>>>>My menu calls a form "MyForm" with "do form MyForm". I want to prohibit two running copies of "MyForm"
>>>>
>>>>How do you reply so fast?
>>>
>>>That's because question is easy.
>>>****Formset.Startform method (you can also apply it to _screen)
>>>parameter cFormname
>>>if type("thisformset."+cFormname)="O"
>>> this.&cFormname..show()
>>> return 1
>>>else
>>> thisformset.addobject(cFormname,cFormname)
>>> if type("thisformset."+cFormname)="O" && if Init successfully
>>> this.&cFormname..show()
>>> return 2
>>> else
>>> return 3
>>> endif
>>>endif
>>
>>Thanks for your answer. The formset part of it has me confused. My form is not a formset.
>
>The idea is to check for form existence. If your form is not in formset, that you check in _SCREEN.Forms property-array.
>For n=1 to _screen.formcount
> if _screen.forms(n).name=cFormname
> *** form is found
> _screen.forms(n).show()
> else
> do form ... name ...
> endif
>Endfor

I understand now. Thank You!!