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What is the use of the ShowPlusOnExpand property of the treeNodeAdv?

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

 

1.To keep displaying the Plus sign on a node even when expanded while in LoadOnDemand mode.

2.The BeforeExpand event would get raised even when the plus is clicked again when in expanded mode so that you can check the datasource for changes.

And this will be useful only with LoadOnDemand property is set to true. Otherwise it will not affect anything.

C#

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

{

TreeNodeAdv node=this.treeViewAdv1.Nodes[2];

node.ShowPlusOnExpand=true;

this.treeViewAdv1.SelectedNode=this.treeViewAdv1.Nodes[2];

}

VB

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

Dim node As TreeNodeAdv=Me.treeViewAdv1.Nodes(2)

node.ShowPlusOnExpand=True

Me.treeViewAdv1.SelectedNode=Me.treeViewAdv1.Nodes(2)

End Sub

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