MVVM The model-view-viewmodel is a typically WPF pattern. It consists of a view that gets all the user input and forwards it to the viewmodel, typically by using commands. The view actively pulls the data from the viewmodel by using data binding. The…
应用不只是包含textboxs和labels,还包含actions,如按钮和鼠标事件等.接下来我们加上一些像按钮这样的UI元素来看MVVM类怎么演变的.与之前的UI相比,这次我们加上一个"Cal Tax"按钮,当我们点击这个依赖于“sales amount”的按钮时,它会计算税费并显示在同窗口内. 为了完成所述的功能,我们先在Model类中添加一个CalculateTax的方法.当这个方法被调用时,它根据工资范围来计算税费并把它储存在Tax这个属性中. public class Cus…