>What I do is that I clear the tree and fill it up again depending on what node was double-clicked. This code is in the dblclick event of the tree:
>Thisform.myTree.Nodes(myNodeIndex).Expanded = .T.
>I've noticed that if the node is the last node from the parent, error occurs.

Hi Charles,

I tested it and didn't find anything strange. But if it bombs on the last node you may add the condition to you DblClick:

IF Thisform.myTree.Nodes(myNodeIndex).Children > 0 && it is a parent node
Thisform.myTree.Nodes(myNodeIndex).Expanded = .T.
ELSE
* do nothing
ENDIF