How to prevent form focus loss?

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Hello!
I have two forms: form “A” and form “B”:

http://ib3.keep4u.ru/b/2013/06/13/66/66de96e869ae82bf7e549e1d0603e51b.jpg[^]

- the style of the form "A" is "fsStayOnTop" - on top of all windows;
- the style of the form "B" is also "fsStayOnTop" - on top of all windows of its parent.

When I click on form “A” - form “B” does not lost focus - it's good.
Problem: when clicking outside of the form “A”, the form “B” lost its focus (is hiding behind the form "A") – this actually is the problem.

Tell me how to solve the problem? I need: when I click outside of the form "A", form "B" must be remained at its original position (higher than form “A” like in the picture).

Posted 13-Jun-13 3:16am

Igor-84

Updated 13-Jun-13 3:26am

Mike Meinz

v3

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Philippe Mori 14-Jun-13 12:40pm

You should rarely use "top-most" style for top-level Windows. And if you do, it should typically be optional.

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Matthew Faithfull · Answer 1 · 2013-06-13T06:22:00

I think the only reliable way to achieve this is to make "B" a child of "A" meaning that it cannot appear outside the client area of A and always get painted on top of A. Otherwise you're fighting both the the window manager and the user and that is a battle you're going to loose.

This is all assuming your working on Microsoft Windows and these forms are fully qualified Windows windows not WPF fake windows or something of that sort.

Freak30 · Answer 2 · 2013-06-14T01:19:00

Solution 2

Have you considered removing the fsStayOnTop option from form A when opening form B and readding it when B is closed?

Posted 14-Jun-13 1:19am

Freak30