insert a node in to tree view

I

iccsi

I would like to know is it possible to insert a node to an existing
tree in particular node?

When I use Nodes.Add can only add nodes on sequency.
Is it possible to find a node and insert a new node on my tree?

I tried to delete and regenerate which takes 5 seconds.
I am looking an instance solution,


Thanks millions,
 
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