AfterSelect Event

Occurs after one or more UltraTreeNodes are Selected or de-selected.

Syntax

Visual Basic

'Declaration
 
Public Event AfterSelect As AfterNodeSelectEventHandler

C#

public event AfterNodeSelectEventHandler AfterSelect

Event Data

The event handler receives an argument of type SelectEventArgs containing data related to this event. The following SelectEventArgs properties provide information specific to this event.

Property	Description
NewSelections	The new SelectedNodesCollection. (read-only)

Remarks

The SelectEventArgs.NewSelections property contains a collection of the currently selected nodes. If a single UltraTreeNode was selected, accessing NewSelections[0] returns the new selected UltraTreeNode.

Example

The following sample code illustrates some of the information available in the AfterSelect event.

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

Imports Infragistics.Win.UltraWinTree

Private Sub ultraTree1_AfterSelect(ByVal sender As System.Object, ByVal e As Infragistics.Win.UltraWinTree.SelectEventArgs) Handles ultraTree1.AfterSelect

    Dim sb As New System.Text.StringBuilder()

    sb.Append("The SelectedNodes collection has changed to the nodes ")

    Dim node As UltraTreeNode

    ' Loop over the nodes in the new SelectedNodes collection.
    For Each node In e.NewSelections
        sb.Append(node.Key)
        sb.Append(", ")
    Next

    Debug.WriteLine(sb.ToString())

End Sub

C#

using System.Diagnostics;
using Infragistics.Win.UltraWinTree;

private void ultraTree1_AfterSelect(object sender, Infragistics.Win.UltraWinTree.SelectEventArgs e)
{

	System.Text.StringBuilder sb = new System.Text.StringBuilder();

	sb.Append("The SelectedNodes collection has changed to the nodes ");

	// Loop over the nodes in the new SelectedNodes collection.
	foreach ( UltraTreeNode node in e.NewSelections )
	{
		sb.Append( node.Key );
		sb.Append( ", " );
	}

	Debug.WriteLine(sb.ToString());

}

Requirements

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