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Check that ci->hWindowMenu is not zero before using it.

This commit is contained in:
Matthew Cline 2000-02-13 15:05:07 +00:00 committed by Alexandre Julliard
parent 53ec9f3287
commit c448c5cf53
1 changed files with 8 additions and 4 deletions
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12
windows/mdi.c
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@ -3,7 +3,8 @@
* Copyright 1994, Bob Amstadt
* 1995,1996 Alex Korobka
*
* This file contains routines to support MDI features.
* This file contains routines to support MDI (Multiple Document
* Interface) features .
*
* Notes: Fairly complete implementation. Any volunteers for
* "More windows..." stuff?
@ -342,7 +343,8 @@ static HWND MDICreateChild( WND *w, MDICLIENTINFO *ci, HWND parent,
}
/* this menu is needed to set a check mark in MDI_ChildActivate */
AppendMenuA(ci->hWindowMenu ,MF_STRING ,wIDmenu, lpstrDef );
if (ci->hWindowMenu != 0)
AppendMenuA(ci->hWindowMenu ,MF_STRING ,wIDmenu, lpstrDef );
ci->nActiveChildren++;
@ -1116,7 +1118,8 @@ LRESULT WINAPI MDIClientWndProc( HWND hwnd, UINT message, WPARAM wParam,
}
MDI_UpdateFrameText(frameWnd, hwnd, MDI_NOFRAMEREPAINT,frameWnd->text);
AppendMenuA( ci->hWindowMenu, MF_SEPARATOR, 0, NULL );
if (ci->hWindowMenu != 0)
AppendMenuA( ci->hWindowMenu, MF_SEPARATOR, 0, NULL );
GetClientRect(frameWnd->hwndSelf, &rect);
NC_HandleNCCalcSize( w, &rect );
@ -1131,7 +1134,8 @@ LRESULT WINAPI MDIClientWndProc( HWND hwnd, UINT message, WPARAM wParam,
case WM_DESTROY:
if( ci->hwndChildMaximized )
MDI_RestoreFrameMenu(w->parent, ci->hwndChildMaximized);
if((nItems = GetMenuItemCount(ci->hWindowMenu)) > 0)
if((ci->hWindowMenu != 0) &&
(nItems = GetMenuItemCount(ci->hWindowMenu)) > 0)
{
ci->idFirstChild = nItems - 1;
ci->nActiveChildren++; /* to delete a separator */