摘自CSDN:

WPF中如果使用ObservableCollection，对ObservableCollection实现类似List的排序操作,再删除以后通知UI层刷新数据

public class SortableObservableCollection
     
       : ObservableCollection
      
       {  public SortableObservableCollection(List
       
         list)     : base(list)  {  }  public SortableObservableCollection(IEnumerable
        
          collection)     : base(collection)  {  }  public void Sort
         
          (Func
          
            keySelector, System.ComponentModel.ListSortDirection direction) { switch (direction) { case System.ComponentModel.ListSortDirection.Ascending: { ApplySort(Items.OrderBy(keySelector)); break; } case System.ComponentModel.ListSortDirection.Descending: { ApplySort(Items.OrderByDescending(keySelector)); break; } } } public void Sort
           
            (Func
            
              keySelector, IComparer
             
               comparer) { ApplySort(Items.OrderBy(keySelector, comparer)); } private void ApplySort(IEnumerable
              
                sortedItems) { var sortedItemsList = sortedItems.ToList(); foreach (var item in sortedItemsList) { Move(IndexOf(item), sortedItemsList.IndexOf(item)); } }}
              
             
            
           
          
         
        
       
      
     

 使用集合分组：

//sort ascendingMySortableList.Sort(x => x.Name, ListSortDirection.Ascending);//sort descendingMySortableList.Sort(x => x.Name, ListSortDirection.Descending);

 如果你想实现类似数据源使用分组后对UI 层的通知可以参照：

string header = "HeaderName";            ListSortDirection direction;                        direction = ListSortDirection.Descending;            ICollectionView dataView = CollectionViewSource.GetDefaultView(lv.ItemsSource);            dataView.SortDescriptions.Clear();            SortDescription sd = new SortDescription(header, direction);            dataView.SortDescriptions.Add(sd);            dataView.Refresh();