Hallo Georg,
Thank you for your reply.
But I want to set the invisible, not to delete them.
I explain my problem.
I have a menu implemented in a tree2 component. On the same time, on every
page I have a next and back buttons. When the user press the "next" button,
for example, she should see in the tree (menu) the next item selected.
But I can select one item based on the id (path), e.q. "0:2:3". Only I build
this tree based on some conditions and sometimes one node has the id "0:2:3"
and in other conditions "0:3:3".
For this reason I want to have the entire tree but some items to be
invisible.
If you know a good solution please let me know
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