Serialize/Deserialize TreeView

[Patrick Ransom]

I have successfully serialized a treeview to an xml file like so:

Dim formatter = New SoapFormatter()
Try
Dim stream = New FileStream("mytree.xml", FileMode.Create, FileAccess.Write, FileShare.None)
Dim root As New TreeNode()
Dim node As TreeNode

For Each node In TreeView1.Nodes
root.Nodes.Add(CType(node.Clone(), TreeNode))
Next node

formatter.Serialize(stream, root)
stream.Close()

Catch ec As Exception
MsgBox("Exception at " + ec.TargetSite.Name + ": " + ec.Message)
End Try

... I can not however figure out how to deserialize the xml file and re-populate my treeview. I have looked at this url: http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q308063

But haven't found any workable solution. Hasn't someone else ran into this before? Any help would be greatly appreciated.

Patrick

[Administrator]

I am having same issue. Anyone have a solution?

[Administrator]

Hi Patrick,

We do have the AppStateSerializer''s SerializeObject/DeserializeObject methods to save/load any control state information on a form. Please refer to the sample in the directory ....\Syncfusion\Essential Suite\2.0.3.0\Shared\Samples\AppStateSerializerDemo which shows how to do this on a TextBox. This can be adapted for the TreeViewAdv as well. Let me know what information regarding the TreeViewAdv do you wish to persist here ? Is it just the collapsed/expanded state information or is there anything else that you wish to persist ? We appreciate your cooperation, and thanks for choosing Syncfusion products.

Regards,
Guru Patwal
Syncfusion, Inc.

[Karen Handelmann]

I tried to serialize the nodes of a TreeViewAdv.root object and it does not work. Do I have to scan the whole node-hierachie and serialize each TreeNodeAdv itself?