TreeView.SelectionChanged Event
This event is fired when the selection changes.

SelectionChanged()
Parameters
Remarks
To query what is selected in single selection mode then use the SelectedIndex property.
Example:
Dim node as TreeViewNode
if me.SelectedIndex >= 0 then
node = me.SelectedNode()
// Do something with the node here
end if
To query what is selected in multi selection mode then use the SelectedNodes property.
Example:Dim node as TreeViewNode
Dim selectedNodes as ObjectCollection
selectedNodes = me.SelectedNodes
selectedNodes.MoveFirst()
while selectedNodes.HasNext()
node = TreeViewNode(selectedNodes.GetNext())
// Do something with the nodes here
wend
See Also
TreeView Control