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- Patch by Dmitry Timoshkov : user32: Return 0 from DefDlgProc and dialog loop for invalid dialog handles. Need to update user32 wine tests.

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svn path=/trunk/; revision=42903
This commit is contained in:
James Tabor 2009-08-24 06:10:52 +00:00
parent ddd06401af
commit e83ca9a324
1 changed files with 10 additions and 3 deletions
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13
reactos/dll/win32/user32/windows/dialog.c
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@ -142,6 +142,8 @@ const struct builtin_class_descr DIALOG_builtin_class =
*
* Get the DIALOGINFO structure of a window, allocating it if needed
* and 'create' is TRUE.
*
* ReactOS
*/
DIALOGINFO * DIALOG_get_info( HWND hWnd, BOOL create )
{
@ -151,6 +153,11 @@ DIALOGINFO * DIALOG_get_info( HWND hWnd, BOOL create )
if(!dlgInfo && create)
{
pWindow = ValidateHwnd( hWnd );
if (!pWindow)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return NULL;
}
if (pWindow && pWindow->cbwndExtra >= DLGWINDOWEXTRA && hWnd != GetDesktopWindow())
{
@ -551,7 +558,7 @@ INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
if (!GetMessageW( &msg, 0, 0, 0 )) break;
}
if (!IsWindow( hwnd )) return -1;
if (!IsWindow( hwnd )) return 0;
if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
{
TranslateMessage( &msg );
@ -1585,7 +1592,7 @@ DefDlgProcA(
BOOL result = FALSE;
/* Perform DIALOGINFO initialization if not done */
if(!(dlgInfo = DIALOG_get_info( hDlg, TRUE ))) return -1;
if(!(dlgInfo = DIALOG_get_info( hDlg, TRUE ))) return 0;
SetWindowLongPtrW( hDlg, DWLP_MSGRESULT, 0 );
@ -1645,7 +1652,7 @@ DefDlgProcW(
BOOL result = FALSE;
/* Perform DIALOGINFO initialization if not done */
if(!(dlgInfo = DIALOG_get_info( hDlg, TRUE ))) return -1;
if(!(dlgInfo = DIALOG_get_info( hDlg, TRUE ))) return 0;
SetWindowLongPtrW( hDlg, DWLP_MSGRESULT, 0 );