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Copy The Content Of One Tree View To Another

'Add 2 Tree View Controls to your form, and 1 Command Button.
'Insert the following code to your form:

Private Sub Command1_Click()
'The Command below will copy the content of TreeView1 to Treeview2
CopyTreeview TreeView1, TreeView2
End Sub

Private Sub CopyTreeview(objTVSrc As TreeView, objTVDest As TreeView)
Dim nodeRoot As Node
For Each nodeRoot In objTVSrc.Nodes
If (nodeRoot.Parent Is Nothing) Then
Call CopyTVParentNode(nodeRoot, objTVDest.Nodes)
End If
End Sub

Private Sub CopyTVParentNode(nodeParent As Node, nodesDest As Nodes)
Dim nodeDummy As Node
Dim nodeChild As Node
Set nodeDummy = CopyNode(nodeParent, nodesDest)
Set nodeChild = nodeParent.Child
Do While Not (nodeChild Is Nothing)
If nodeChild.Children Then
Call CopyTVParentNode(nodeChild, nodesDest)
Set nodeDummy = CopyNode(nodeChild, nodesDest)
End If
Set nodeChild = nodeChild.Next
End Sub

Private Function CopyNode(nodeSrc As Node, nodesDest As Nodes) As Node
With nodeSrc
If (.Parent Is Nothing) Then
Set CopyNode = nodesDest.Add(, , .Key, .Text, .Image, .SelectedImage)
CopyNode.Expanded = True
Set CopyNode = nodesDest.Add(.Parent.Index, _
tvwChild, .Key, .Text, .Image, .SelectedImage)
CopyNode.Expanded = True
End If
End With
End Function

Private Sub Form_Load()
TreeView1.Nodes.Add , , "Sample", "Primary"
TreeView1.Nodes.Add , , "Sample2", "Primary2"
TreeView1.Nodes.Add "Sample", tvwChild, "Sample3", "Child"
End Sub

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