user32: Prevent endless loop

diff --git a/dlls/user32/dialog.c b/dlls/user32/dialog.c
index a9867c644feb84f4c568ade0c483e3a0207e4f33..4d6a7fa4a9ba24135a680f6b814541e7ed0f8735 100644 (file)
--- a/dlls/user32/dialog.c
+++ b/dlls/user32/dialog.c
@@ -918,6 +918,9 @@ static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
         if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
         {
             dlgCode = SendMessageW( hwndControl, WM_GETDLGCODE, 0, 0 );
+            if (dlgCode & DLGC_WANTCHARS)
+                break; /* prevent endless loop */
+
             if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
                  GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
             {