Infragistics2.Win.UltraWinTree.v8.1
AfterSelect Event
See Also  Example
Infragistics.Win.UltraWinTree Namespace > UltraTree Class : AfterSelect Event

Occurs after one or more UltraTreeNodes are UltraTreeNode.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.

PropertyDescription
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 BasicCopy Code
    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#Copy Code
       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());

       }

See Also