private void OnDragEnter(Event e) { //Debug.Log("OnDragEnter: " + e.Target.GetType().Name); Component comp = (Component)e.Target; if (null == comp) { return; } AudioPlayerMapper.GetDefault().PlaySound("pager_click", new AudioOption(AudioOptionType.Volume, 0.3f)); // check if drag enter item is child of _pnlDest or _pnlSource itself // allow the whole box to be drop target when moving if (_pnlDest.ContentContains(comp) || comp == _pnlDest.ContentGroup) { DragDropManager.AcceptDragDrop((Component)e.Target); DragDropManager.ShowFeedback(DragDropManager.Action.Move); } }