摘要： A failure on the precondition indicates a bug on the client/callerA failure on the postcondition indicates a bug on the routine/supplier.Inheritance:Making sure that the precondition is always equal t... 阅读全文

摘要： Someone may think thatinterface, the more the better, but not indeed: interface is action inclining, and interface supposes that it can have several implementation, if not, there's not necessary to us... 阅读全文

摘要： Provider: supports you,- "has"Manager: Designates &keepsyou, - "knows & manage", it seems that it will manage a family of product and expose services to cusumersHelper: asto itself, it does no... 阅读全文

摘要： to make the view itself simplerto help a view control some distinct part of its behaviorcontext: we have a Trade screen that has seven different states depending upon whether you're creating or review... 阅读全文

摘要： Presenter: publicinterfaceIPresenter{///<summary>///Bindstheview.///</summary>///<paramname="view">Theview.</param>voidBindView(objectview);///<summary>///Bindsthemodel./... 阅读全文

摘要： temporarily detach the event handler while you are performing some special actionsfor example. When you select a tabpage in a tabcontrol, the TableSelected event will be rosed. But when you are creati... 阅读全文

摘要： meet problems too many subscribers and publisher too many kinds of eventSo aggregator know all objects manage the events from all objects propagate event to subscribers 阅读全文

摘要： the model specify which validator will be used, and then the validator pass the model to validation attribute and gather error message from the attributes. 阅读全文

摘要： I like that:Model, is just lump of data and keep some domain business that with Model.Service, when the presenter needs to call more then one services, then you can think about facade.Presenter & ... 阅读全文

摘要： to View: Domain Model Class - easy, little change to the application, but, tightly coupled and the Model may be polluted with craft to support UI needs; This pattern can be preferred when the screen d... 阅读全文