OnAfterActivate Method

Called after a node is Selected

Syntax

Visual Basic

'Declaration
 
Protected Overridable Sub OnAfterActivate( _
   ByVal e As NodeEventArgs _
) 

C#

protected virtual void OnAfterActivate( 
   NodeEventArgs e
)

Parameters

e

An System.EventArgs that contains the event data.

Example

The following sample code illustrates some of the information available in the AfterActivate 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

Private Sub ultraTree1_AfterActivate(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.NodeEventArgs) Handles ultraTree1.AfterActivate

    Dim sb As New System.Text.StringBuilder()

    If e.TreeNode Is Nothing Then
        sb.Append("No node has been activated.")
    Else
        sb.Append("Node: ")
        sb.Append(e.TreeNode.Key)
        sb.Append(" has been activated.")
    End If

    Debug.WriteLine(sb.ToString())

End Sub

C#

private void ultraTree1_AfterActivate(object sender, Infragistics.Win.UltraWinTree.NodeEventArgs e)
{

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

	if ( e.TreeNode == null )
	{
		sb.Append("No node has been activated.");
	}
	else
	{
		sb.Append("Node: ");
		sb.Append(e.TreeNode.Key);
		sb.Append(" has been activated.");
	}

	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