Tree Item - ItemExpanding Event
A list item has expanded, showing all child items
Member of Tree Item (PRIM_TREE.TreeItem)
Parameters
Name |
Type |
Data Type |
Description |
Item |
*Input |
Reference to the Tree 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.
The correspedonding OnItemExpanding method will be executed on the interface
Example
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