Beispiel #1
0
        public void ApplySort(System.ComponentModel.ListSortDescriptionCollection sorts)
        {
            _descrips = sorts;
            if (sorts == null || sorts.Count < 1)
            {
                if (_filter == null)
                {
                    _filterIds.Clear();
                }
                else
                {
                    _filterIds.Sort();
                }
            }
            else
            {
                if (!_filterIds.Any() && _filter == null)
                {
                    _filterIds.AddRange(Enumerable.Range(0, _list.Count));
                }
                _filterIds.Sort((x, y) => CompareProp((T)_list[x], (T)_list[y]));
            }

            ResetBindings();
        }
		public void ApplySortMultipleProps()
		{
			ViewFactory<SimpleClass> factory = ViewFactory<SimpleClass>.IList();
			IList<SimpleClass> list = factory.List;
			ObjectListView<SimpleClass> view = factory.View;

			list.Add(new SimpleClass(4, "aaa", new DateTime(1930, 5, 5)));
			list.Add(new SimpleClass(2, "qqq", new DateTime(1950, 5, 5)));
			list.Add(new SimpleClass(1, "zzz", new DateTime(1980, 5, 5)));
			list.Add(new SimpleClass(2, "mmm", new DateTime(1960, 5, 5)));
			list.Add(new SimpleClass(3, "bbb", new DateTime(1940, 5, 5)));
			list.Add(new SimpleClass(2, "mmm", new DateTime(1970, 5, 5)));

			PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(SimpleClass));
			ListSortDescriptionCollection sorts = new ListSortDescriptionCollection(new ListSortDescription[] {
				new ListSortDescription(props["IntegerValue"], ListSortDirection.Ascending),
				new ListSortDescription(props["StringValue"], ListSortDirection.Descending),
				new ListSortDescription(props["DateTimeValue"], ListSortDirection.Ascending)
			});
			view.ApplySort(sorts);

			IEnumerator<SimpleClass> pos = view.GetEnumerator();

			pos.MoveNext();
			SimpleClass val = pos.Current;
			Assert.IsNotNull(val);
			Assert.AreEqual(1, val.IntegerValue);

			pos.MoveNext();
			val = pos.Current;
			Assert.IsNotNull(val);
			Assert.AreEqual(2, val.IntegerValue);
			Assert.AreEqual("qqq", val.StringValue);
			Assert.AreEqual(new DateTime(1950, 5, 5), val.DateTimeValue);

			pos.MoveNext();
			val = pos.Current;
			Assert.IsNotNull(val);
			Assert.AreEqual(2, val.IntegerValue);
			Assert.AreEqual("mmm", val.StringValue);
			Assert.AreEqual(new DateTime(1960, 5, 5), val.DateTimeValue);

			pos.MoveNext();
			val = pos.Current;
			Assert.IsNotNull(val);
			Assert.AreEqual(2, val.IntegerValue);
			Assert.AreEqual("mmm", val.StringValue);
			Assert.AreEqual(new DateTime(1970, 5, 5), val.DateTimeValue);

			pos.MoveNext();
			val = pos.Current;
			Assert.IsNotNull(val);
			Assert.AreEqual(3, val.IntegerValue);

			pos.MoveNext();
			val = pos.Current;
			Assert.IsNotNull(val);
			Assert.AreEqual(4, val.IntegerValue);
		}
        public override void ApplySort(System.ComponentModel.ListSortDescriptionCollection sorts)
        {
            List <T> sortableList = mList as List <T>;

            if (sortableList == null)
            {
                throw new DevAgeApplicationException("Sort not supported, the list must be an instance of List<T>.");
            }

            sortableList.Sort(
                delegate(T x, T y)
            {
                foreach (System.ComponentModel.ListSortDescription sort in sorts)
                {
                    IComparable valx = sort.PropertyDescriptor.GetValue(x) as IComparable;
                    IComparable valy = sort.PropertyDescriptor.GetValue(y) as IComparable;

                    //Swap the objects if the sort direction is Descending
                    if (sort.SortDirection == ListSortDirection.Descending)
                    {
                        IComparable tmp = valx;
                        valx            = valy;
                        valy            = tmp;
                    }

                    if (valx != null && valy != null)
                    {
                        int result = valx.CompareTo(valy);
                        if (result != 0)
                        {
                            return(result);
                        }
                    }
                    else if (valx != null)
                    {
                        return(1);
                    }
                    else
                    {
                        return(-1);
                    }
                }

                return(0);
            }
                );

            OnListChanged(new System.ComponentModel.ListChangedEventArgs(System.ComponentModel.ListChangedType.Reset, -1));
        }
Beispiel #4
0
        public void Can_sort_the_list()
        {
            Assert.AreEqual(_theUnit.Items[0].Position, "2");

             FakeObject fakeObject = new FakeObject("", "", "");

             PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(fakeObject);
             PropertyDescriptor sortProperty = properties.Find("Position", false);

             List<ListSortDescription> descriptions = new List<ListSortDescription>();
             descriptions.Add(new ListSortDescription(sortProperty, new ListSortDirection()));

             ListSortDescriptionCollection sorts = new ListSortDescriptionCollection(descriptions.ToArray());

             _theUnit.ApplySort(sorts);

             Assert.AreEqual(_theUnit.Items[0].Position, "1");
        }
        public Main()
        {
            PropertyDescriptorCollection props;

            InitializeComponent();

            // make up the sort rules for the lists
            props = TypeDescriptor.GetProperties(typeof(InitiativeTableEntry), new Attribute[] { new BrowsableAttribute(true) });
            m_sorts = new ListSortDescriptionCollection(new ListSortDescription[] {
                new ListSortDescription(props["Initiative"], ListSortDirection.Descending),
                new ListSortDescription(props["InitiativeBonus"], ListSortDirection.Descending),
                new ListSortDescription(props["Tiebreaker"], ListSortDirection.Descending),
                new ListSortDescription(props["IsCombatant"], ListSortDirection.Descending),
            });

            this.Load += new EventHandler(Main_Load);
            this.FormClosed += new FormClosedEventHandler(Main_FormClosed);
        }
        public void ApplySort(System.ComponentModel.ListSortDescriptionCollection sorts)
        {
            var args = new SortChangingEventArgs()
            {
                Sort = sorts, Handled = false
            };

            OnSortChanging(args);
            if (args.Handled)
            {
                sorts = args.Sort;
            }

            _descrips = sorts;
            if (sorts == null || sorts.Count < 1)
            {
                if (_filter == null)
                {
                    _filterIds.Clear();
                }
                else
                {
                    _filterIds.Sort();
                }
            }
            else
            {
                if (!_filterIds.Any() && _filter == null)
                {
                    _filterIds.AddRange(Enumerable.Range(0, _list.Count));
                }
                _filterIds.Sort((x, y) => CompareProp((T)_list[x], (T)_list[y]));
            }

            ResetBindings();
        }
 public void ApplySort(ListSortDescriptionCollection i_Sorts)
 {
     throw new NotImplementedException();
 }
		public void SortDescriptionsSortedMultipleProps()
		{
			ViewFactory<SimpleClass> factory = ViewFactory<SimpleClass>.IList();
			IList<SimpleClass> list = factory.List;
			ObjectListView<SimpleClass> view = factory.View;

			list.Add(new SimpleClass(1, "aaa", DateTime.Now));
			list.Add(new SimpleClass(1, "bbb", new DateTime(1950, 1, 1)));
			list.Add(new SimpleClass(3, "ccc", DateTime.Now));
			list.Add(new SimpleClass(4, "ddd", DateTime.Now));
			list.Add(new SimpleClass(1, "eee", DateTime.Now));
			list.Add(new SimpleClass(1, "bbb", new DateTime(1960, 1, 1)));

			PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(SimpleClass));
			PropertyDescriptor stringProp = props["StringValue"];
			PropertyDescriptor dateProp = props["DateTimeValue"];

			ListSortDescriptionCollection sorts = new ListSortDescriptionCollection(new ListSortDescription[] {
				new ListSortDescription(stringProp, ListSortDirection.Descending),
				new ListSortDescription(dateProp, ListSortDirection.Ascending)});

			view.ApplySort(sorts);

			Assert.IsNotNull(view.SortDescriptions);
			Assert.AreEqual(2, view.SortDescriptions.Count);
			Assert.AreEqual(stringProp, view.SortDescriptions[0].PropertyDescriptor);
			Assert.AreEqual(ListSortDirection.Descending, view.SortDescriptions[0].SortDirection);
			Assert.AreEqual(dateProp, view.SortDescriptions[1].PropertyDescriptor);
			Assert.AreEqual(ListSortDirection.Ascending, view.SortDescriptions[1].SortDirection);
		}
		public void SortDescriptionsRemoveSort()
		{
			ViewFactory<SimpleClass> factory = ViewFactory<SimpleClass>.IList();
			IList<SimpleClass> list = factory.List;
			ObjectListView<SimpleClass> view = factory.View;

			DateTime now = DateTime.Now;

			list.Add(new SimpleClass(1, "aaa", now));
			list.Add(new SimpleClass(1, "bbb", new DateTime(1950, 1, 1)));
			list.Add(new SimpleClass(3, "ccc", now));
			list.Add(new SimpleClass(3, "ddd", now));
			list.Add(new SimpleClass(1, "eee", now));
			list.Add(new SimpleClass(1, "bbb", new DateTime(1960, 1, 1)));

			PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(SimpleClass));
			PropertyDescriptor intProp = props["IntegerValue"];

			ListSortDescriptionCollection sorts = new ListSortDescriptionCollection(new ListSortDescription[] {
				new ListSortDescription(intProp, ListSortDirection.Ascending)});

			view.ApplySort(sorts);
			view.RemoveSort();

			Assert.IsNotNull(view.SortDescriptions);
			Assert.AreEqual(0, view.SortDescriptions.Count);
		}
		public void ApplySort(ListSortDescriptionCollection sorts)
		{
			BindingListImpl.ApplySort(sorts);
		}
 public virtual void ApplySort(ListSortDescriptionCollection sorts);
 public QueryParameters SetSortDescriptions(ListSortDescriptionCollection value)
 {
     return new QueryParameters(this) {SortDescriptions = value};
 }
			public SortListPropertyComparer(ListSortDescriptionCollection sorts)
			{
				_sorts = sorts;
			}
		private IComparer GetSortComparer(ListSortDescriptionCollection sortDescriptions)
		{
			bool needSubstitution = false;

			if (_sortSubstitutions.Count > 0)
			{
				foreach (ListSortDescription sortDescription in sortDescriptions)
				{
					if (_sortSubstitutions.ContainsKey(sortDescription.PropertyDescriptor.Name))
					{
						needSubstitution = true;
						break;
					}
				}

				if (needSubstitution)
				{
					ListSortDescription[] sorts = new ListSortDescription[sortDescriptions.Count];
					sortDescriptions.CopyTo(sorts, 0);

					for (int i = 0; i < sorts.Length; i++)
						if (_sortSubstitutions.ContainsKey(sorts[i].PropertyDescriptor.Name))
							sorts[i] = new ListSortDescription(((SortSubstitutionPair)_sortSubstitutions[sorts[i].PropertyDescriptor.Name]).Substitute, 
								                               sorts[i].SortDirection);

					sortDescriptions = new ListSortDescriptionCollection(sorts);
				}
			}

			return new SortListPropertyComparer(sortDescriptions);
		}
		public void ApplySort(ListSortDescriptionCollection sorts)
		{
			_sortDescriptions = sorts;

			_isSorted = true;
			_sortProperty = null;
			
			ApplySort(GetSortComparer(sorts));

			if (_list.Count > 0)
				OnReset();
		}
 void IBindingListView.ApplySort(ListSortDescriptionCollection sorts)
 {
     Debugger.Break(); throw new NotImplementedException();
 }
Beispiel #17
0
		public void ApplySort(ListSortDescriptionCollection sorts)
		{
			_sortDescriptions = sorts;

			_isSorted = true;
			_sortProperty = null;
			
			ApplySort(GetSortComparer(sorts));
			
			if (_list.Count > 0)
				OnListChanged(new EditableListChangedEventArgs(ListChangedType.Reset));
		}
Beispiel #18
0
		void IBindingListView.ApplySort(ListSortDescriptionCollection sorts)
		{
			sort.Clear();
			foreach(ListSortDescription lsd in sorts)
			{
				if(lsd == null)
					continue;
				sort.Add(lsd);
			}
			Sort();
		}
		/// <summary>
		/// Applies a series of sort properties and directions to this ObjectListView.
		/// </summary>
		/// <param name="sorts">The sort directions and properties.</param>
		void IBindingListView.ApplySort(System.ComponentModel.ListSortDescriptionCollection sorts)
		{
			_sorts = sorts;

			if (_sortIndex != null)
			{
				for (int i = 0; i < _sortIndex.Count; i++)
				{
					_sortIndex[i].PropertyChanged -= new PropertyChangedEventHandler(ObjectView_PropertyChanged);
				}
			}

			if (_list == null)
			{
				_sortIndex = new List<ObjectView>();
			}
			else
			{
				_sortIndex = new List<ObjectView>(_list.Count);

				for (int i = 0; i < _list.Count; i++)
				{
					ObjectView item = ObjectView.NewObjectView(this, _list[i], i);
					item.PropertyChanged += new PropertyChangedEventHandler(ObjectView_PropertyChanged);
					item.ApplyFilter(_filteredView);
					this.InsertInOrder(item, 0, _sortIndex.Count);
				}
			}

			this.OnListChanged(ListChangedType.Reset, -1);
		}
Beispiel #20
0
 public virtual void ApplySort(ListSortDescriptionCollection sorts) {
     IBindingListView iblw = List as IBindingListView;
     if (iblw != null) {
         iblw.ApplySort(sorts);
     }
     else {
         throw new NotSupportedException(SR.GetString(SR.OperationRequiresIBindingListView));
     }
 }
 public QueryParameters(ViewInfo viewInfo, RowFilter rowFilter, ListSortDescriptionCollection sortDescriptions)
 {
     ViewInfo = viewInfo;
     RowFilter = rowFilter;
     SortDescriptions = sortDescriptions;
 }
		/// <summary>
		/// Sorts the view based on a <see cref="T:System.ComponentModel.PropertyDescriptor"></see> and a <see cref="T:System.ComponentModel.ListSortDirection"></see>.
		/// </summary>
		/// <param name="property">The <see cref="T:System.ComponentModel.PropertyDescriptor"></see> to sort by.</param>
		/// <param name="direction">One of the <see cref="T:System.ComponentModel.ListSortDirection"></see> values.</param>
		public void ApplySort(PropertyDescriptor property, ListSortDirection direction)
		{
			Lock();

			try
			{
				ListSortDescriptionCollection proposed;

				if (property == null)
					proposed = new ListSortDescriptionCollection();
				else
				{
					ValidateProperty(property);

					ListSortDescription[] props = new ListSortDescription[] { new ListSortDescription(property, direction) };
					proposed = new ListSortDescriptionCollection(props);
				}

				this.SortProperties = proposed;
			}
			finally
			{
				Unlock();
			}

			RaiseEvents();
		}
Beispiel #23
0
		//-------------------------------------------------------------------------------------
		#region IBindingListView Members
		void IBindingListView.ApplySort(ListSortDescriptionCollection sorts)
		{
			if(_sorts == null)
			 _sorts = new List<ListSortDescription>();
			else
			 _sorts.Clear();
			foreach(ListSortDescription lsd in sorts)
			{
				if(lsd == null)
					continue;
				_sorts.Add(lsd);
			}
			ApplySort(DefaultSorter);
		}
		public void ApplySort(ListSortDescriptionCollection sorts)
		{
			throw new Exception("The method or operation is not implemented.");
		}
Beispiel #25
0
		public virtual void ApplySort (ListSortDescriptionCollection sorts)
		{
			if (!(list is IBindingListView))
				throw new NotSupportedException ("This operation requires an IBindingListView.");

			IBindingListView iblist_view = (IBindingListView)list;
			iblist_view.ApplySort (sorts);
		}
 public virtual void ApplySort(ListSortDescriptionCollection sorts)
 {
     IBindingListView list = this.List as IBindingListView;
     if (list == null)
     {
         throw new NotSupportedException(System.Windows.Forms.SR.GetString("OperationRequiresIBindingListView"));
     }
     list.ApplySort(sorts);
 }
Beispiel #27
0
        ///////////////////////////////////////////////////////////////////////////////
        //
        // Methods
        //
        ///////////////////////////////////////////////////////////////////////////////

        /* CUT:

        //
        // AutoSetDataMember()
        //
        // Used when data source changes. If data member is not set, and the data source
        // is a list of lists, arbitrarily point the data member at one of these lists.
        //
        private void AutoSetDataMember() {
            // Data member already assigned!
            if (!String.IsNullOrEmpty(this.dataMember)) {
                return;
            }

            // Get the list of lists
            IListSource listSource = this.dataSource as IListSource;

            // Not a list of lists!
            if (listSource == null || !listSource.ContainsListCollection) {
                return;
            }

            // Get properties of data source
            PropertyDescriptorCollection props = ListBindingHelper.GetListItemProperties(listSource);

            // Walk properties of data source, looking for one that returns IList (but ignoring ones that return Array)
            for (int i = 0; i < props.Count; ++i) {
                PropertyDescriptor prop = props[i];

                if (typeof(IList).IsAssignableFrom(prop.PropertyType) && !typeof(Array).IsAssignableFrom(prop.PropertyType)) {
                    // Bingo - got one!
                    this.dataMember = prop.Name;
                    OnDataMemberChanged(EventArgs.Empty);
                    break;
                }
            }
        }

        */

        private static string BuildSortString(ListSortDescriptionCollection sortsColln) {
                if (sortsColln == null) {
                    return String.Empty;
                }

                StringBuilder sb = new StringBuilder(sortsColln.Count);

                for (int i = 0; i < sortsColln.Count; ++i) {
                    sb.Append(sortsColln[i].PropertyDescriptor.Name +
                              ((sortsColln[i].SortDirection == ListSortDirection.Ascending) ? " ASC" : " DESC") +
                              ((i < sortsColln.Count - 1) ? "," : String.Empty));
                }

                return sb.ToString();
        }
		public void SortedEvent()
		{
			ViewFactory factory = ViewFactory.IListSimpleItems();
			ObjectListView view = factory.View;
			IList list = factory.List;

			DateTime now = DateTime.Now;

			list.Add(new SimpleClass(1, "aaa", now));
			list.Add(new SimpleClass(1, "bbb", new DateTime(1950, 1, 1)));
			list.Add(new SimpleClass(3, "ccc", now));
			list.Add(new SimpleClass(3, "ddd", now));
			list.Add(new SimpleClass(1, "eee", now));
			list.Add(new SimpleClass(1, "bbb", new DateTime(1960, 1, 1)));

			view.ItemType = typeof(SimpleClass);

			PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(SimpleClass));
			PropertyDescriptor intProp = props["IntegerValue"];

			ListSortDescriptionCollection sorts = new ListSortDescriptionCollection(new ListSortDescription[] {
				new ListSortDescription(intProp, ListSortDirection.Ascending)});

			Assert.AreEqual(0, factory.SortedCount);

			view.ApplySort(sorts);

			Assert.AreEqual(1, factory.SortedCount);
		}
		/// <summary>
		/// Sorts the view of the underlying list based on the given <see cref="T:System.ComponentModel.ListSortDescriptionCollection"></see>.
		/// </summary>
		/// <param name="sorts">The <see cref="T:System.ComponentModel.ListSortDescriptionCollection"></see> containing the sorts to apply to the view.</param>
		public void ApplySort(ListSortDescriptionCollection sorts)
		{
			Lock();

			try
			{
				ListSortDescriptionCollection proposed;

				if (sorts == null)
					proposed = new ListSortDescriptionCollection();
				else
				{
					foreach (ListSortDescription desc in sorts)
						ValidateProperty(desc.PropertyDescriptor);

					ListSortDescription[] props = new ListSortDescription[sorts.Count];
					sorts.CopyTo(props, 0);
					proposed = new ListSortDescriptionCollection(props);
				}

				this.SortProperties = proposed;
			}
			finally
			{
				Unlock();
			}

			RaiseEvents();
		}
		public void SortGetRemoveSort()
		{
			ViewFactory factory = ViewFactory.IListSimpleItems();
			ObjectListView view = factory.View;
			IList list = factory.List;

			view.ItemType = typeof(SimpleClass);

			list.Add(new SimpleClass(4, "aaa", new DateTime(1930, 5, 5)));
			list.Add(new SimpleClass(2, "qqq", new DateTime(1950, 5, 5)));
			list.Add(new SimpleClass(1, "zzz", new DateTime(1980, 5, 5)));
			list.Add(new SimpleClass(2, "mmm", new DateTime(1960, 5, 5)));
			list.Add(new SimpleClass(3, "bbb", new DateTime(1940, 5, 5)));
			list.Add(new SimpleClass(2, "mmm", new DateTime(1970, 5, 5)));

			PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(SimpleClass));
			ListSortDescriptionCollection sorts = new ListSortDescriptionCollection(new ListSortDescription[] {
				new ListSortDescription(props["IntegerValue"], ListSortDirection.Ascending),
				new ListSortDescription(props["StringValue"], ListSortDirection.Descending),
				new ListSortDescription(props["DateTimeValue"], ListSortDirection.Ascending)
			});
			view.ApplySort(sorts);
			view.RemoveSort();

			Assert.AreEqual("", view.Sort);
		}
 /// <summary>
 /// Sort the list
 /// </summary>
 /// <param name="sorts"></param>
 public abstract void ApplySort(System.ComponentModel.ListSortDescriptionCollection sorts);
		public void RemoveSortedIBindingList()
		{
			ViewFactory factory = ViewFactory.IBindingListSimpleItems();
			ObjectListView view = factory.View;
			IList list = factory.List;

			DateTime now = DateTime.Now;

			list.Add(new SimpleClass(5, "aaa", now));
			list.Add(new SimpleClass(4, "bbb", new DateTime(1950, 1, 1)));
			list.Add(new SimpleClass(3, "ccc", now));
			list.Add(new SimpleClass(3, "ddd", now));
			list.Add(new SimpleClass(1, "eee", now));
			list.Add(new SimpleClass(2, "bbb", new DateTime(1960, 1, 1)));

			view.ItemType = typeof(SimpleClass);

			PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(SimpleClass));
			PropertyDescriptor intProp = props["IntegerValue"];

			ListSortDescriptionCollection sorts = new ListSortDescriptionCollection(new ListSortDescription[] {
				new ListSortDescription(intProp, ListSortDirection.Ascending)});

			view.ApplySort(sorts);
			factory.ClearEventCounts();

			view.RemoveAt(3);
			view.RemoveAt(2);

			Assert.AreEqual(4, view.Count);
			Assert.AreEqual(1, ((SimpleClass)view[0]).IntegerValue);
			Assert.AreEqual(2, ((SimpleClass)view[1]).IntegerValue);
			Assert.AreEqual(4, ((SimpleClass)view[2]).IntegerValue);
			Assert.AreEqual(5, ((SimpleClass)view[3]).IntegerValue);

			Assert.AreEqual(2, factory.ListChangedDeletedCount);
			Assert.AreEqual(0, factory.ListChangedResetCount);
			Assert.AreEqual(0, factory.SortedCount);
		}
Beispiel #33
0
		void IBindingListView.ApplySort(ListSortDescriptionCollection sorts)
		{
			_list.ApplySort(sorts);
		}
		public void UsePropertyComparerMultipleColumnsInMultiColumnSort()
		{
			ViewFactory factory = ViewFactory.IBindingListSimpleItems();
			ObjectListView view = factory.View;
			IList list = factory.List;

			DateTime now = DateTime.Now;

			list.Add(new SimpleClass(1, "a", now));
			list.Add(new SimpleClass(1, "bbb", now));
			list.Add(new SimpleClass(1, "aaaa", now));
			list.Add(new SimpleClass(1, "aa", new DateTime(1989, 7, 22)));
			list.Add(new SimpleClass(1, "aa", new DateTime(1991, 3, 5)));

			view.PropertyComparers["StringValue"] = new StringLengthComparer();
			view.PropertyComparers["DateTimeValue"] = new DateTimeDayComparer();

			PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(SimpleClass));
			ListSortDescriptionCollection sorts = new ListSortDescriptionCollection(new ListSortDescription[] {
				new ListSortDescription(props["StringValue"], ListSortDirection.Descending),
				new ListSortDescription(props["DateTimeValue"], ListSortDirection.Ascending)
			});
			view.ApplySort(sorts);

			Assert.AreEqual("aaaa", ((SimpleClass)view[0]).StringValue);
			Assert.AreEqual("bbb", ((SimpleClass)view[1]).StringValue);
			Assert.AreEqual(new DateTime(1991, 3, 5), ((SimpleClass)view[2]).DateTimeValue);
			Assert.AreEqual(new DateTime(1989, 7, 22), ((SimpleClass)view[3]).DateTimeValue);
			Assert.AreEqual("a", ((SimpleClass)view[4]).StringValue);
		}