wpf的MVVM模式的应用实例,MVVM模式是为wpf量身定做的一种模式,主要突出了wpf的数据绑定的应用,如果没有数据绑定的习惯,不建议用此模式-wpf of MVVM model application example, MVVM model is a model tailored for the wpf, the main highlights of the data binding wpf application, data binding, if not the habit, do n