private static void OnExportStartDrag(
			 DDContainer _sender ,
			ref DDItemInfo _info ,
			ref bool _result )
		{
			if (_sender.mEventStartDrag != null)
				_sender.mEventStartDrag(
					 _sender ,
					ref _info ,
					ref _result );
		}
        private static void OnExportStartDrag(
            IntPtr _sender,
            ref DDItemInfo _info,
            ref bool _result)
        {
            DDContainer sender = (DDContainer)BaseWidget.GetByNative(_sender);

            if (sender.mEventStartDrag != null)
            {
                sender.mEventStartDrag(
                    sender,
                    ref _info,
                    ref _result);
            }
        }
        private static void OnExportStartDrag(
			 DDContainer _sender ,
			ref DDItemInfo _info ,
			ref bool _result )
        {
            if (_sender.mEventStartDrag != null)
                _sender.mEventStartDrag(
                     _sender ,
                    ref _info ,
                    ref _result );
        }