How to repositioned dialog based on screen resolution

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I have an application which has many dialogs. I have positioned dialogs on main / parent dialog initially. Whenever there is a change in screen resolution I have capture the co-ordinates in WM_SETTINGCHANGE handler. While changing the screen resolution this handler calculates the current co-ordinates but to show the dialog in proper place I need to close he dialog and reopen it again where in OnInitdialog it gets the new co-ordinates and re-position the window. But I want that dialog shd be re-positioned whenever there is a change in screen resolution. I tried to capture WM_SETTINGCHANGE in chiled dialog but this handler doesn't get called when screen resolution changes.
Pls let me know how to send message to child dialog to re-position whenever there is a change in screen resolution?

Posted 28-Apr-13 21:06pm

SNI

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CPallini 29-Apr-13 3:33am

Probably I didn't get you, however: If you correctly get the WM_SETTINGCHANGE in your main window then, there, you can call a method on all your dialog children to make them change position, can't you?

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Jochen Arndt · Answer 1 · 2013-04-28T21:31:00

Solution 1

From within the WM_SETTINGCHANGE handler of your main window you can send this message (or a user defined one) to all descendant windows using SendMessageToDescendants[^].

Posted 28-Apr-13 21:31pm

Jochen Arndt