Tree_ExpandItem

Funktionsname dcl_Tree_ExpandItem
Syntax   (dcl_Tree_ExpandItem <CONTROL> Item [als Handle oder String] Action [als Integer])
Rückgabewert Boolean (T if successful; otherwise NIL)
Anwendbar auf Tree

This method expands or collapses the specified item.

Action Result
-1 Collapses item
0 Toggles expanded state
1 Expands item