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Refresh of treeview after delete

I've included a right click function on a treeview1 to delete a gandchild node.
But the thing is after deleting I want the treeview1 to refresh so that the user can't see the deleted granchild node.

I tried treeview.Refresh();but it did'n work.I hope someone can offer me some help or advice.
Thanks in advance.
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2 Solutions
Get the father node.
Delete it
Use fathernode.Expand()
csharp_learnerAuthor Commented:
How can i get the fathernode?
I used treeview.topnode.expand() with no effect.
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csharp_learnerAuthor Commented:
Sorry for the late reply.
I tried treeview1.Parent. but i couldn't find the Expand property.
csharp_learnerAuthor Commented:
Thanks treeScadaItems.SelectedNode.Parent.Expand(); worked for me.
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