/// <summary>
/// This method is a helper method for raising the PropertyChanged event.
/// </summary>
/// <param name="name">The name of the property that was just changed.</param>
/// <param name="oldValue">The value of the property before it was changed.</param>
/// <param name="newValue">The value of the property after it was changed.</param>
protected void RaisePropertyChangedEvent(string name, object oldValue, object newValue)
{
// Validate the specified property name
this.ValidateProperty(name);
// Create the event args
UndoablePropertyChangedEventArgs eventArgs = new UndoablePropertyChangedEventArgs(this, name, oldValue, newValue);
// Invoke the OnPropertyChanged method for derived classes
this.OnPropertyChanged(eventArgs);
// Raise the event for the INotifyPropertyChanged interface
if (this.notifyPropertyChanged != null)
{
this.notifyPropertyChanged(this, new System.ComponentModel.PropertyChangedEventArgs(name));
}
// Raise the EditorFoundation based event which includes old/new values
if (this.PropertyChanged != null)
{
this.PropertyChanged(this, eventArgs);
}
}
/// <summary>
/// Called before the <see cref="E:PropertyChanged"/> event is raised.
/// </summary>
/// <remarks>
/// Notes to Inheritors: When overriding OnPropertyChanged in a derived class, calling the base class's OnPropertyChanged method is not necessary because there is no initial implementation.
/// </remarks>
/// <param name="eventArgs">The <see cref="UndoablePropertyChangedEventArgs"/> instance containing the event data.</param>
protected virtual void OnPropertyChanged(UndoablePropertyChangedEventArgs eventArgs)
{
}
