WPF 普通属性变化通知

    public class OrderItem : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;

        private void NotifyPropertyChanged(string name)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(this, new PropertyChangedEventArgs(name));
            }
        }

        private OpeType state;
        public OpeType State
        {
            get
            {
                return state;
            }
            set
            {
                state = value;
                NotifyPropertyChanged("State");
            }
        }

        ......
    }