how list child nodes treeview .net


i have treeview control winforms .net concentration churned levels childnodes have childnodes some-more childnodes, tangible depth. user selects any progenitor node (not indispensably during bottom level), i list nodes beneith progenitor node?



for example, i started off this:



dim nodes list(of string)

for any childnodelevel1 treenode parentnode.nodes
    any childnodelevel2 treenode childnodelevel1.nodes
        any childnodelevel3 treenode childnodelevel2.nodes
            nodes.add(childnodelevel3.text)
        next
    next
next


the problem loop abyss tangible i'm wholly removing nodes burried down 3 levels. unbroken user selects progenitor node, there 7 levels?



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