Private Function getNodeByKey(key As String, treeView_ As Object) As Node
  Dim i As Long
  
  For i = 1 To treeView_.Nodes.count
    If (treeView_.Nodes(i).key = key) Then
      Set getNodeByKey = treeView_.Nodes(i)
      Exit Function
    End If
  Next i
  
  Set getNodeByKey = Nothing
End Function

This method returns a TreeView node based on its key.

getNodeByKey(String, Object) As Node

find

Visual Basic