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user32: Avoid accessing the dialog info of a destroyed window.

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This commit is contained in:
Alexandre Julliard 2011-04-06 12:35:01 +02:00
parent 548cef033f
commit ad32b28ac0
1 changed files with 4 additions and 3 deletions
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7
dlls/user32/dialog.c
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@ -691,7 +691,7 @@ static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
if (dlgProc)
{
HWND focus = GetNextDlgTabItem( hwnd, 0, FALSE );
if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)focus, param ) &&
if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)focus, param ) && IsWindow( hwnd ) &&
((~template.style & DS_CONTROL) || (template.style & WS_VISIBLE)))
{
/* By returning TRUE, app has requested a default focus assignment.
@ -811,15 +811,16 @@ INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
if (msg.message == WM_QUIT)
{
PostQuitMessage( msg.wParam );
dlgInfo->flags |= DF_END;
if (!IsWindow( hwnd )) return 0;
break;
}
if (!IsWindow( hwnd )) return 0;
if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
{
TranslateMessage( &msg );
DispatchMessageW( &msg );
}
if (!IsWindow( hwnd )) return 0;
if (dlgInfo->flags & DF_END) break;
if (bFirstEmpty && msg.message == WM_TIMER)