ColumnExpanded

 

Tree table is displayed with all the parent nodes being collapsed.

ColumnExpanded property is used to set the ID of the column, which contains Boolean values describing whether the node should be initially collapsed (FALSE) or expanded (TRUE). This property needs a special column in the tree table and a special element in the program records:

 

 

In the example above, we specified the first and the fourth node as expanded (1 or TRUE). These are the top-level nodes. Other nodes that have children will be initially collapsed: