Tree - ItemExpanding Event

Reference to the expanding item

Name	Type	Data Type	Description
Item	*Input	PRIM_TREE.TreeItem	Reference to the Tree item

The ItemExpanding event is fired when an item is expanded by the user.

It is typically used as a trigger to load additional child data.

In this example, the level of the expanding item is tested to determine what sort of data to add.

     Evtroutine Handling(#Tree.ItemExpanding)

        Case (#Tree.CurrentItem.Level)
        When (= 1)
           #Com_owner.LoadSections

        When (= 2)
           #Com_owner.LoadEmployees

        Endcase

     Endroutine