This message informs all windows that the window with input focus has realized its logical palette, thereby changing the system palette. This message allows windows without input focus that use a color palette to realize their logical palettes and update their client areas.
Parameter |
Description |
wParam |
Contains the handle of the window that caused the system palette to change. |
|
lParam |
Is not used. |
To avoid creating a loop, a window that receives this message should not realize its palette unless it determines that wParam does not contain its window handle.