DestroyWindowHook

This hook is called whenever a window is destroyed.

Syntax

DestroyWindowHook(hab, hwnd, ulReserved);

Parameters

hab (HAB) - input

Anchor-block handle.

hwnd (HWND) - input

The handle of the window being destroyed.

ulReserved (ULONG) - input

Reserved.

Returns

rc (BOOL) - returns

Success indicator.

TRUE: Successful completion

FALSE: Error occurred.

Remarks

This hook is sent after the WM_DESTROY message has been sent and just before the window becomes invalid.

Related Messages

• WM_DESTROY

Example Code

#define INCL_WINHOOKS /* Or use INCL_WIN, INCL_PM, */
#include <os2.h>

HAB     hab;        /* Anchor-block handle. */
HWND    hwnd;       /* The handle of the window being destroyed. */
ULONG   ulReserved; /* Reserved. */
BOOL    rc;         /* Success indicator. */

rc = DestroyWindowHook(hab, hwnd, ulReserved);