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How do you like the new design?
It's cool, great job
[tally: 70%] 70%
It's okay
[tally: 20%] 20%
Its OK but I liked the old layout better
[tally: 0%] 0%
Please bring the old one back
[tally: 10%] 10%

votes: 10

ID: 292
Viewed: 2543
Added: Jul 26, 2002
Version:
Snippet uploaded by: snippet
Written By: unknown
Demo: Sorry, no demo



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Copies the source treeview to a destination
treeview. Assumes that both treeviews use the
same (or identical) Imagelists.

Highlight all by clicking in box
<!---Declaration--->
Option Explicit

Private Sub CopyTreeview(objTVSrc As TreeView, objTVDest As TreeView)


Dim nodeRoot As Node

objTVDest.Nodes.Clear

For Each nodeRoot In objTVSrc.Nodes
If (nodeRoot.Parent Is Nothing) Then
Call CopyTVParentNode(nodeRoot, objTVDest.Nodes)
End If
Next

End Sub


Private Sub CopyTVParentNode(nodeParent As Node, nodesDest As Nodes)

'Walks the specified source parent treeview node,
'and all of it's children nodes, adding them to the
'specified destination Nodes collection.
'
'nodeParent: parent node to walk and copy from
'nodesDest : destination Nodes collection to copy to

Dim nodeDummy As Node
Dim nodeChild As Node

'First add the parent node to the destination nodes collection.
Set nodeDummy = CopyNode(nodeParent, nodesDest)

'Get the current parent node's first child
Set nodeChild = nodeParent.Child

'Now walk through the current parent node's children
'appending the current child node's text to the passed string
Do While Not (nodeChild Is Nothing)

'If the current child node has it's own children...
If nodeChild.Children Then

'Recursively call this proc copying all of it's children
'(it becomes the new parent node)
Call CopyTVParentNode(nodeChild, nodesDest)

Else

'Add the child node to the destination nodes collection.
Set nodeDummy = CopyNode(nodeChild, nodesDest)

End If

'Get the current child node's next sibling
Set nodeChild = nodeChild.Next

Loop

End Sub


Private Function CopyNode(nodeSrc As Node, nodesDest As Nodes) As Node

With nodeSrc

If (.Parent Is Nothing) Then 'Root node

Set CopyNode = nodesDest.Add(, , _
.Key, .Text, _
.Image, .SelectedImage)
CopyNode.Expanded = True

Else 'Child node

Set CopyNode = nodesDest.Add(.Parent.Index, _
tvwChild, _
.Key, .Text, _
.Image, .SelectedImage)
CopyNode.Expanded = True

End If

End With

End Function

Highlight All
<!---Code--->

Private Sub Command1_Click()

CopyTreeview TreeView1, TreeView2

End Sub


;


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