private void Edit()
        {
            if (dataGridViewEvent.SelectedRows.Count != 1)
            {
                return;
            }

            EventBase even  = this.dataGridViewEvent.SelectedRows[0].DataBoundItem as EventBase;
            int       index = this.EventList.IndexOf(even);

            //保持当前事件对象的副本,用于在编辑事件之后,进行Compare提取差异
            EventBase oldEvent = even.Clone() as EventBase;

            //FormEventEditor.Event编辑后还是原对象的引用,在原对象基础上修改的
            FormEventEditor formEventSet = new FormEventEditor(this._hostEntity, even);

            //这里暂时还能用using,因为窗体释放时,会把事件的编辑面板也释放掉,要另外处理这个问题
            //using (FormEventEditor formEventSet = new FormEventEditor(this._entity, even))
            //{
            formEventSet.FormEntity = this.FormEntity;
            formEventSet.EventList  = this.EventList;

            if (formEventSet.ShowDialog() == DialogResult.OK)
            {
                //CheckWarning
                IWarningable warningable = formEventSet.Event as IWarningable;
                if (warningable != null)
                {
                    warningable.CheckWarning();
                }

                _eventBindingList.ResetItem(index);

                EventUpdate();

                if (this.OnEdited != null)
                {
                    CollectionEditEventArgs args = new CollectionEditEventArgs(this.EventList,
                                                                               CollectionEditType.Edit, index, formEventSet.Event);
                    args.Members.Inject(ObjectCompare.Compare(oldEvent, formEventSet.Event));
                    OnEdited(this, args);
                }
            }
            //}
        }