public static void ChangeAndNotifyHistory <T>(this PropertyChangedEventHandler handler, object owner, HistoryableProperty <T> field, T value, Expression <Func <T> > memberExpression)
{
if (owner == null)
{
throw new ArgumentNullException(OwnerParameterName);
}
if (EqualityComparer <T> .Default.Equals(field.GetValue(), value))
{
return;
}
field.SetValue(value, () => Notify <T>(handler, owner, memberExpression));
Notify <T>(handler, owner, memberExpression);
}
public void ChangeAndNotifyHistory<T>(HistoryableProperty<T> field, T value, Expression<Func<T>> memberExpression)
{
PropertyChanged.ChangeAndNotifyHistory<T>(this, field, value, memberExpression);
Dirty = true;
}
