AvalonDock [2.0] Tutorial Part 3 - AvalonEdit in AvalonDock

namespace Edi.ViewModel.Base
{
  using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.ComponentModel;

  class ViewModelBase : INotifyPropertyChanged
    {

        protected virtual void RaisePropertyChanged(string propertyName)
        {
            if (PropertyChanged != null)
                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }


        public event PropertyChangedEventHandler PropertyChanged;
    }
}