c# - Devexpress Xtratreelist - Problem with focusing node that is invisible -


i have devexpress xtralist on window form. when tree becomes full nodes not visible there on tree.

and if scroll manually invisible nodes visible, problem if press down arrow key 1 one , reaches last visible node in tree , again press down arrow key , reaches node not visible reaching node application goes crash. , there error index out of bound array.

and if make invisible nodes visible doing scrolling down manually , press down key there no problem. if nodes invisible , if try focus node there problem.

so cannot understand how solve ? know ?

what have not understood yet. problem solved doing this.

treelist1.makenodevisible(e.node.nodes.lastnode);

now not crash , automatically scrolling done when reaches last node in tree.

this seen me here: http://community.devexpress.com/forums/p/81048/304362.aspx


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