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

Platform: WinForms |
Control: TreeViewAdv |
Published Date: April 30, 2011 |
Last Revised Date: July 10, 2014

 

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

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