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How to populate ParentNode and childNode for the selected node programatically?

 

This can be done by setting the SelectedNode to be the presentnode and then if the presentnode is equal to null,the new childNode is created and added.

C#

private void button1_Click(object sender, System.EventArgs e)

{

TreeNodeAdv presentNode = this.treeViewAdv1.SelectedNode;

if(presentNode == null)

return;

TreeNodeAdv newNode = new TreeNodeAdv("NewChild");

presentNode.Nodes.Add(newNode);

}

private void button2_Click(object sender, System.EventArgs e)

{

TreeNodeAdv newnode = new TreeNodeAdv("Parentnode");

this.treeViewAdv1.Nodes.Add(newnode);

}

VB

Private Sub button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)

Dim presentNode As TreeNodeAdv = Me.treeViewAdv1.SelectedNode

If presentNode Is Nothing Then

Return

End If

Dim newNode As TreeNodeAdv = New TreeNodeAdv("NewChild")

presentNode.Nodes.Add(newNode)

End Sub

Private Sub button2_Click(ByVal sender As Object, ByVal e As System.EventArgs)

Dim newnode As TreeNodeAdv = New TreeNodeAdv("Parentnode")

Me.treeViewAdv1.Nodes.Add(newnode)

End Sub

Article ID: Published Date: Last Revised Date: Platform: Control:
1370 04/30/2011 07/10/2014 WinForms TreeViewAdv
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