简单的mvvm light 应用

 

public  class MainStudentModel:ViewModelBase

   {

//实体

       private StudentModel stu = new StudentModel();

 

       public  string StuName

       {

           get { return stu.Name; }

           set

           {

               stu.Name = value;

//  激活属性

               RaisePropertyChanged("StuName");

           }

       }

 

       public string StuAddress

       {

           get { return stu.Address; }

           set

           {

               stu.Address = value;

               RaisePropertyChanged("StuAddress");

           }

       }

 

       public RelayCommand ChangeStuCommand

       {

           get;

           private set;

       }

 

       public MainStudentModel()

       {

           if (!IsInDesignMode)

           {

               stu = new StudentModel();

               StuName = "xiaoming";

               StuAddress = "朝阳区北苑二号院";

 

               ChangeStuCommand=new RelayCommand(() =>

               {

                   StuName = "taiyang";

                   StuAddress = "朝阳区duanwumen";

               });

           }

       }

 

      

    }

 <TextBlock HorizontalAlignment="Left" Margin="80,66,0,0" TextWrapping="Wrap" Text="姓名" VerticalAlignment="Top"/>

        <TextBox HorizontalAlignment="Left" Height="23" Margin="143,65,0,0" TextWrapping="Wrap" Text="{Binding StuName}" VerticalAlignment="Top" Width="120" RenderTransformOrigin="0.517,0.043"/>

        <TextBlock HorizontalAlignment="Left" Margin="80,128,0,0" TextWrapping="Wrap" Text="地址" VerticalAlignment="Top"/>

        <TextBox HorizontalAlignment="Left" Height="23" Margin="143,120,0,0" TextWrapping="Wrap" Text="{Binding StuAddress}" VerticalAlignment="Top" Width="120" RenderTransformOrigin="0.517,0.043"/>

        <Button Content="显示" HorizontalAlignment="Left" Margin="143,240,0,0" VerticalAlignment="Top" Width="75" Command="{Binding ChangeStuCommand}"/>

 

  public StudentView()

        {

            InitializeComponent();

//MainStudentModel

            this.DataContext = new MainStudentModel();

        }