SortDescriptions Property (DataGridCollectionViewBase)

Gets a collection of SortDescription objects that describe how the items in the collection are sorted in the view.

Syntax

Visual Basic
C#

'Declaration
 
Public Overrides ReadOnly Property SortDescriptions As SortDescriptionCollection

'Usage
 
Dim instance As DataGridCollectionViewBase

Dim value As SortDescriptionCollection

 

value = instance.SortDescriptions

public override SortDescriptionCollection SortDescriptions {get;}

Property Value

A SortDescriptionCollection containing the SortDescription objects that describe how the items in the collection are sorted in the view.

Example

All examples in this topic assume that the grid is bound to the Orders table of the Northwind database, unless stated otherwise.

The following example demonstrates how to subscribe to the CollectionChanged event of the DataGridCollectionView.SortDescriptions collection's INotifyCollectionChanged interface implementation to be notified when sorting applied to a grid's columns changes.The following example demonstrates how to subscribe to the CollectionChanged event of the DataGridCollectionView.SortDescriptions collection's INotifyCollectionChanged interface implementation to be notified when sorting applied to a grid's columns changes.

Visual Basic
C#

Protected Overrides Sub OnInitialized(ByVal e As EventArgs)

  MyBase.OnInitialized(e)





  Dim view As DataGridCollectionView = TryCast(Me.OrdersGrid.ItemsSource, DataGridCollectionView)

  AddHandler (CType(view.SortDescriptions, INotifyCollectionChanged)).CollectionChanged,

                                           AddressOf SortCollectionChanged

End Sub

Private Sub SortCollectionChanged(ByVal sender As Object, ByVal e As NotifyCollectionChangedEventArgs)

  Debug.WriteLine("Sort changed")



End Sub

protected override void OnInitialized( EventArgs e )

{

 base.OnInitialized( e );

 DataGridCollectionView view = this.OrdersGrid.ItemsSource as DataGridCollectionView;



 ( ( INotifyCollectionChanged )view.SortDescriptions ).CollectionChanged +=

                                     new NotifyCollectionChangedEventHandler( this.SortCollectionChanged );

}

private void SortCollectionChanged( object sender, NotifyCollectionChangedEventArgs e )

{

 Debug.WriteLine( "Sort changed" );

}

Requirements

Target Platforms: Windows 11, Windows, 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DataGridCollectionViewBase Class
DataGridCollectionViewBase Members
Base Implementation in SortDescriptions