         super();
     }
     
-    mx_internal var allowCustomSelectedItem:Boolean = true;
+    mx_internal var allowCustomSelectedItem:Boolean = false;
     mx_internal static var CUSTOM_SELECTED_ITEM:int = -3;
     
     //--------------------------------------------------------------------------

        var oldSelectedIndex:int = _selectedIndex;
        var oldCaretIndex:int = _caretIndex;
        
        if (_proposedSelectedIndex != CUSTOM_SELECTED_ITEM)
        {
            if (_proposedSelectedIndex < NO_SELECTION)
                _proposedSelectedIndex = NO_SELECTION;

        if (_pendingSelectedItem !== undefined)
            return _pendingSelectedItem;
            
        if (allowCustomSelectedItem && selectedIndex == CUSTOM_SELECTED_ITEM)
            return _selectedItem;
        
        if (selectedIndex == NO_SELECTION || dataProvider == null)
