#1 TreeView BeforeExpand event

[Ed Sutton]

I want to prevent a tree view node from being expanded
until I go and fetch the data I need.

Sequence Diagram
-----------------
0 - User double-clicks on a tree node
1 - PropertyTree fires a TreeViewBeforeExpand event
2 - Client receives event and cancels tree node
expansion and gets a reference to the node
3 - Client submits a database query
4 - Client displays hourglass or progress bar
5 - When query results are recieved, client uses
reference to tree node to expand the node

Thanks in advance for any tips or suggestions,

-Ed
esutton@nomadics.com