The ' VISIBLE' property of hierarchical tree

Hi, all,
I'm a new user of Forms6. When I buitld my first app for Oracle, I got one problem on hierarchical tree. The nodes all 'disappeared' if I changed the property 'VISIBLE'. For example, if I change the 'VISIBLE' from TRUE to FALSE and TRUE again, nothing there but a blank tree. Does any one can help me? Or is there any Build-in program unit like "Refresh"?
Thank you.
hao
null

unfortunately there is no "Refresh" built-in for Hierarchial trees
Candace Stover
Forms Product Management

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The ' VISIBLE' property of hierarchical tree

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