Enabling Multinavigation
Two tree structure fields determine if multinavigation is available for nodes and details. These fields let the tree developer select whether multiple navigation targets should be supported when accessing node or detail data. By default, multinavigation is not enabled.
Navigation:
Access the Tree Structure Properties page (PSTREESTRCTDEFN) by selecting
This example illustrates the fields and controls on the Tree Structure Properties page.

Navigation options are hidden when the structure type is Summary.