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WM_PALETTECHANGED Overview  Group

The WM_PALETTECHANGED message is sent to all top-level and overlapped windows after the window with the keyboard focus has realized its logical palette, thereby changing the system palette. This message enables a window that uses a color palette but does not have the keyboard focus to realize its logical palette and update its client area. 

WM_PALETTECHANGED 

hwndPalChg = (HWND) wParam; // handle of window that changed palette 

 

Parameters

hwndPalChg
Value of wParam. Identifies the window that caused the system palette to change.

Remarks

This message must be sent to all top-level and overlapped windows, including the one that changed the system palette. If any child windows use a color palette, this message must be passed on to them as well.

To avoid creating an infinite loop, a window that receives this message must not realize its palette, unless it determines that wParam does not contain its own window handle.

See Also

WM_PALETTEISCHANGING, WM_QUERYNEWPALETTE

See:

file: /Techref/os/win/api/win32/mess/src/msg26_24.htm, 1KB, , updated: 2001/6/26 10:42, local time: 2024/4/18 14:42,
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