WPF MVVM示例讲解

ViewModelBase(用来实现修改通知):

1. public class ViewModelBase : INotifyPropertyChanged  { 
2. public event PropertyChangedEventHandler PropertyChanged;  protected virtual void OnPropertyChanged(string propName) 
3. {  if(PropertyChanged!=null) 
4. {  PropertyChanged(this, new PropertyChangedEventArgs(propName)); 
5. }  } 
6. }