WinForm应用程序框架设计之WinAction（新增数据）

我们来先看看WinAction的新增数据的流程：

源码参考：

 

        public virtual void NewEntityHandler(object entity, object caller, object sender, EventArgs e)
        {
            //判断编辑窗体是否已打开
            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)//新增时再次进行新增
                    {
                        CommonFunctions.SetFormTop(eForm);
                        return;
                    }
                    if (caller is IDataControlActionView)//修改时进行新增
                        UnloadEditEntityEvent(caller as IDataControlActionView);
                }
                LoadEditForm(EditForm);
            }

            T mEntity = GetNewEntity();
            if (mEntity is Entity)
                (mEntity as Entity).IsNewEntity = true;
            if (eForm is IBindEntityAware)
                (eForm as IBindEntityAware).BindEntity(mEntity);
            if (caller is IDataListView && (caller as IDataListView).DataList is IList)
                ((caller as IDataListView).DataList as IList).Add(mEntity);

            if (caller is IDataControlActionView)
                LoadEditEntityEvent(caller as IDataControlActionView);

            if (eForm.Visible)
                CommonFunctions.SetFormTop(eForm);
            else
                eForm.Show();
        }

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