Mattias Gaertner wrote:
> I think ParentWindow is very widgetset specific (see below). Probably
> it will work cross platform very limited. See at end for an
> alternative solution.
>
> - AFAIK under winapi you can stack handles even of different processes.
> gtk does not allow this. I don't know about qt, carbon, fpgui, but
> probably they all have some limitations of child/parent relationships.
Actually the gtk does support this, but in a really hacky way, using
GTKSocket/GTKPlug.
> - the LCL handles messages and delegates them downwards and upwards to
> parents/childs TControls. But if the Handle has no associated
> TWinControl then messages can not be passed this way. Only the
> widgetset knows how to handle this. You must check every place where a
> handle is used if it is a normal LCL handle or a foreign handle. This
> will be a lot of work.
>
> Solution:
> It is probably easier to create a wrapper TWinControl / TCustomForm
> with the ability to use the foreign Handle.
Correct; all that is needed is a SetParent(hWnd) method.
Thanks!
--
Al
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