'Win32 Dialog box: how to keep all objects in windows centered when resizing
I am building and maintaining a Win32 app using Visual Studio.
I have recently edited the .rc file adding WS_THICKFRAME to my dialog STYLE line for all dialog windows to allow them to be resizable.
My current problem is, when I resize a window, its content remains fixed to the left. How can I make the window's content remain centered when resizing using the border?
Pointing to any relevant documentation on this would also be helpful, as I have not had lucky finding that.
Solution 1:[1]
If you only want to reposition (rather than resize) the individual controls, an easy way would be to create a non-modal container dialog to hold the controls, make that dialog a child of the resizable dialog, and then when you handle WM_SIZE for the outer dialog, you only have to reposition that one non-modal dialog.
Your new position is ((newWidth- controlDlgWidth) / 2, (newHeight-controlDlgHeight)/2), where controlDlgWidth, controlDlgHeight are the width and height of the child dialog.
I say to use a non-modal dialog for this, so that you can continue using a resource script, rather than needing to add a whole bunch of explicit CreateWindow() calls.
Sources
This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.
Source: Stack Overflow
| Solution | Source |
|---|---|
| Solution 1 | Remy Lebeau |