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4/8/2010

This message is sent as a signal that a window or an application should terminate.

Syntax 

WM_CLOSE 
wParam = 0; 

lParam = 0;

Return Value

An application should return zero if it processes this message.

Default Action

The DefWindowProcfunction calls the DestroyWindowfunction to destroy the window.

Remarks

An application can prompt the user for confirmation, prior to destroying a window, by processing the WM_CLOSE message and calling the DestroyWindowfunction only if the user confirms the choice.

Requirements

Header winuser.h
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also