WM_WINDOWPOSCHANGED message
Sent to a window whose size, position, or place in the Z order has changed as a result of a call to the SetWindowPos function or another window-management function.
A window receives this message through its WindowProc function.
#define WM_WINDOWPOSCHANGED 0x0047
Parameters
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wParam
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This parameter is not used.
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lParam
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A pointer to a WINDOWPOS structure that contains information about the window's new size and position.
Return value
Type: LRESULT
If an application processes this message, it should return zero.
Remarks
By default, the DefWindowProc function sends the WM_SIZE and WM_MOVE messages to the window. The WM_SIZE and WM_MOVE messages are not sent if an application handles the WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient to perform any move or size change processing during the WM_WINDOWPOSCHANGED message without calling DefWindowProc.
Requirements
Requirement | Value |
---|---|
Minimum supported client |
Windows 2000 Professional [desktop apps only] |
Minimum supported server |
Windows 2000 Server [desktop apps only] |
Header |
|
See also
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Reference
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Conceptual
Pripomienky
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