List - ItemExpanding Event
An item in the list is expanding
Member of List (PRIM_MD.List)

Parameters

Name

Type

Data Type

Description

Item

*Input

PRIM_TREE.TreeItem

Reference to the item

Details


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.

Example


In this example, the level of the expanding item is tested to determine what sort of data to add.
Evtroutine Handling(#List.ItemExpanding)
Case (#List.CurrentItem.Level)
When (= 1)
#Com_owner.LoadSections
When (= 2)
#Com_owner.LoadEmployees
Endcase
Endroutine

See also

All Component Classes
Technical Reference