SelectedColumnsCollectionChanged Event

The SelectedColumnsCollectionChanged event is raised after a Column has been added or removed to the SelectedColumns collection.

Syntax

Visual Basic

'Declaration
 
Public Event SelectedColumnsCollectionChanged As EventHandler(Of SelectionCollectionChangedEventArgs(Of SelectedColumnsCollection))

C#

public event EventHandler<SelectionCollectionChangedEventArgs<SelectedColumnsCollection>> SelectedColumnsCollectionChanged

Event Data

The event handler receives an argument of type SelectionCollectionChangedEventArgs<T> containing data related to this event. The following SelectionCollectionChangedEventArgs<T> properties provide information specific to this event.

Property	Description
NewSelectedItems	A collection of items that are currently selected.
PreviouslySelectedItems	A collection of items that were previously selected.

Example

This sample demonstrates how to handle the SelectedColumnsCollectionChanged event which is fired when a column has been added to or removed from the SelectedColumns collection.

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

Visual Basic

AddHandler Me.MyGrid.SelectedColumnsCollectionChanged, AddressOf MyGrid_SelectedColumnsCollectionChanged

Private Sub dataGrid_SelectedColumnsCollectionChanged(ByVal sender As System.Object, ByVal e As SelectionCollectionChangedEventArgs(Of SelectedColumnsCollection))
   System.Diagnostics.Debug.WriteLine("Number of selected columns changed from " + e.PreviouslySelectedItems.Count.ToString() + " to " + e.NewSelectedItems.Count.ToString())
End Sub

C#

this.MyGrid.SelectedColumnsCollectionChanged += new EventHandler<SelectionCollectionChangedEventArgs<SelectedColumnsCollection>>(MyGrid_SelectedColumnsCollectionChanged);

void MyGrid_SelectedColumnsCollectionChanged(object sender, SelectionCollectionChangedEventArgs<SelectedColumnsCollection> e)
{
   System.Diagnostics.Debug.WriteLine("Number of selected columns changed from " + e.PreviouslySelectedItems.Count + " to " + e.NewSelectedItems.Count);
}

XAML

<ig:XamGrid x:Name="MyGrid" 
   SelectedColumnsCollectionChanged="MyGrid_SelectedColumnsCollectionChanged">
</ig:XamGrid>

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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