can windows be reparented?

Tony Lambregts tony_lambregts at telusplanet.net
Mon Aug 12 20:49:03 CDT 2002


Medland, Bill wrote:

>Can anyone help me with this?
>
>I am trying to track down a problem with our software, relating to Visual
>Basic and its forms.
>
>We launch a container executable which then loads one of hundreds of OCXes
>(compiled from Visual Basic).  One of the things that then happens within
>those OCXes is that they use the Visual Basic "load" instruction to load a
>different form in a modal way.
>
>Under Windows the form (which is generally larger than the original OCX
>form) comes up on the main display, with full usability (you can click on
>windows etc).
>
>However under Wine it comes up within the client area of the original and
>only responds to keyboard input.  (Luckily Alt+C maps to the Close button so
>we can close it).
>
>If I use Spy++ under Windows I can see that when the "popup" form is up then
>its parent is 0 but its owner is the ThunderRT6UserControlDC under the ATL
>window that is the container.
>
>Under Wine if I watch the CreateWindow calls I see that the ThunderRT6FormDC
>parented by the ThunderRT6Main and the ThunderRT6UserControlDC parented by a
>STATIC under the ThunderRT6Main.
>
>Unfortunately I know of no way to see what parent was originally specified
>under windows.  I presume that it is unlikely that the parentage was altered
>after the windows were created.  Does anyone know differently?
>
>Anyone now what might be going on?
>
>Bill
>
>
>  
>
No real help from me. However there is a bug report that seems to relate 
to this problem, and the reporter has a better grasp of the situation 
than me. Maybe you two can put your heads together.

http://bugs.winehq.com/show_bug.cgi?id=961


Tony Lambregts





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