void ret_CloseUp(object sender, DevExpress.XtraEditors.Controls.CloseUpEventArgs e)
        {
            RepositoryItemFilterComboBox ret = base.CreateRepositoryItem() as RepositoryItemFilterComboBox;

            ret.Popup   -= new EventHandler(ret_Popup);
            ret.CloseUp -= new DevExpress.XtraEditors.Controls.CloseUpEventHandler(ret_CloseUp);
        }
        protected override RepositoryItemPopupBase CreateRepositoryItem()
        {
            RepositoryItemFilterComboBox ret = base.CreateRepositoryItem() as RepositoryItemFilterComboBox;

            ret.HighlightedItemStyle = DevExpress.XtraEditors.HighlightStyle.Skinned;
            ret.Popup   += new EventHandler(ret_Popup);
            ret.CloseUp += new DevExpress.XtraEditors.Controls.CloseUpEventHandler(ret_CloseUp);
            return(ret);
        }