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The WM_DISPLAYCHANGE message is sent to all windows when the display resolution has changed.
A window receives this message through its WindowProc function.
LRESULT CALLBACK WindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
Parameters
- wParam
-
The new image depth of the display, in bits per pixel.
- lParam
-
The low-order word specifies the horizontal resolution of the screen.
The high-order word specifies the vertical resolution of the screen.
Remarks
This message is only sent to top-level windows. For all other windows it is posted.
Requirements
|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
|---|---|
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Minimum supported server | Windows 2000 Server [desktop apps only] |
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Header |
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See also
Build date: 10/25/2012
