WM_USERCHANGED message

Sent to all windows after the user has logged on or off. When the user logs on or off, the system updates the user-specific settings. The system sends this message immediately after updating the settings.

A window receives this message through its WindowProc function.

Note

This message is not supported as of Windows Vista.

 

#define WM_USERCHANGED                  0x0054

Parameters

wParam

This parameter is not used.

lParam

This parameter is not used.

Return value

Type: LRESULT

An application should return zero if it processes this message.

Requirements

Requirement	Value
Minimum supported client	Windows XP [desktop apps only]
Minimum supported server	None supported
Header	Winuser.h (include Windows.h)

See also

Windows Overview