You can set the background color of your dialog boxes by handling WM_CTLCOLOR messages for the dialog box window. The color you set is used for only the specified dialog box.
See Also
Reference
Handling Windows Messages in Your Dialog Box
You can set the background color of your dialog boxes by handling WM_CTLCOLOR messages for the dialog box window. The color you set is used for only the specified dialog box.
Handling Windows Messages in Your Dialog Box