Identify parent window of menus and tooltips

[Marty Jack]

On 09/29/2011 12:07 PM, Markus Kramer wrote:
> Is there a way to identify the parent window of a menu or tooltip?
> I know that menus and tooltips are top level windows. So their parent
> would be the root window. I'm wondering if there is some other
> property which tells me to what window they belong to?
> 
> cheers, Markus
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The WM_TRANSIENT_FOR property does this, but of course it is only as good as the toolkits who must be relied on to set it properly.  See the ICCCM.