Excalibur Software PropertyList 3.0
PreExpand
Event PreExpand(iProp As Property)
Description
Occurs when a header item is about to be expanded or collapsed.
Parameters:
- iProp - The Property object that will be expanded or collapsed.
Remarks
This event does not fire when simply setting the Expanded
property of a list item. Check the property's Expanded property
to find its current state (it will be switched to the opposite state
when the event is over).