ItemExpanding is the event of tree view showing the next level entries |
Member of Tree View (PRIM_TRVW)
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