using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ComponentModel; namespace XHZB.Model { public class NotifyModel : INotifyPropertyChanged { public event PropertyChangedEventHandler PropertyChanged; public void OnPropertyChanged(string propertyName) { PropertyChangedEventHandler handler = PropertyChanged; if (handler != null) { handler(this, new PropertyChangedEventArgs(propertyName)); } } } }