WinForm应用程序框架设计之WinAction（修改数据）

我们来先看看WinAction的修改数据的流程：

具体的参考代码：

        public virtual void EditEntityHandler(object entity, object caller, object sender, EventArgs e)        {            if (caller is IDataListView)            {                IDataListView listForm = caller as IDataListView;                if (null == listForm.DataList || (listForm.DataList is ICollection && (listForm.DataList as ICollection).Count == 0))                    return;            }            Form eForm = CallEditForm(caller);            if (eForm is IEditDataForm)            {                IEditDataForm mEditForm = eForm as IEditDataForm;                if (eForm.Visible)                {                    if (mEditForm.Entity is Entity && (mEditForm.Entity as Entity).IsNewEntity)//新增时进行修改                    {                        if (caller is IDataControlActionView)                        {                            //修改最后新增的记录                            if ((entity as Entity).IsNewEntity)                            {                                CommonFunctions.SetFormTop(eForm);                                return;                            }                        }                        if (caller is IDataControlActionView && caller is IDataListView && (caller as IDataListView).DataList is IList)                            (caller as IDataControlActionView).RemoveLastNewRow();                        if (caller is IDataControlActionView)//已经执行过修改                            UnloadEditEntityEvent(caller as IDataControlActionView);                    }                    else                    {                        if (mEditForm is IBindEntityAware)                            (mEditForm as IBindEntityAware).BindEntity(entity);                        CommonFunctions.SetFormTop(eForm);                        return;                    }                }                LoadEditForm(EditForm);            }            if (eForm is IBindEntityAware)                (eForm as IBindEntityAware).BindEntity(entity);            if (caller is IDataControlActionView)                LoadEditEntityEvent(caller as IDataControlActionView);            if (eForm.Visible)                CommonFunctions.SetFormTop(eForm);            else                eForm.Show();        }

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