Changing Z Order with Child & Popup dialogs

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Hi
I have a need to change the Z order of a popup dialog within a application, which has both child & other popup dialogs. The application consists of multiple POPUP & one CHILD dialog under a view. After a user action, i need to change the Z order of one of the Popup dialogs and send it behind all the existing dialogs (including the child dialog).

The issue i am facing is the popup dialog is not going behind Child dialog (while is it going behind rest of the popup dialogs of the app as expected). Changing the style of the only Child dialog to popup is not an option for me. Can we not place a popup dialog behind a child?

Following code is used to change the Z Order:

C++

SetWindowPos(&CWnd::wndBottom, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOMOVE | SWP_NOSENDCHANGING);

Any help is greatly appreciated.

Thanks,
Aravind B.

Posted 25-Nov-12 22:14pm

Aravind Badrinath Krishnan

Updated 25-Nov-12 22:17pm

André Kraak

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André Kraak · Answer 1 · 2012-11-25T22:25:00

Solution 1

I think you cannot achieve this.

The following is from the remark section of the SetWindowPos[^]:

Quote SetWindowPos[^]:
A non-topmost window can own a topmost window, but the reverse cannot occur. Any window (for example, a dialog box) owned by a topmost window is itself made a topmost window, to ensure that all owned windows stay above their owner.

As your pop up is owned by the child dialog it cannot be hidden behind it.

Posted 25-Nov-12 22:25pm

André Kraak

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Aravind Badrinath Krishnan 26-Nov-12 5:43am

Thanks for the response.
In my case the pop up dialog i am trying to push down the Z Order is not owned by the Child dialog. The pop up window and the child dialog both are siblings of the same view. The issue here is that SetWindowPos does not push the popup dialog below a child dialog, which is owned by the view.

Changing Z Order with Child & Popup dialogs

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Changing Z Order with Child & Popup dialogs

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