SortableObservableCollection<T>

/// <summary>
/// Create a instance of SortableObservableCollection.
/// </summary>
/// <typeparam name="T">Collection</typeparam>
public class SortableObservableCollection<T> : ObservableCollection<T>
{
public virtual void Sort()
{
this.Sort(0, Count, null);
}

public virtual void Sort(IComparer<T> comparer)
{
this.Sort(0, Count, comparer);
}

public virtual void Sort(int index, int count, IComparer<T> comparer)
{
(this.Items as List<T>).Sort(index, count, comparer);
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
}