Tree_GetFirstChildItem

Funktionsname dcl_Tree_GetFirstChildItem
Syntax   (dcl_Tree_GetFirstChildItem <CONTROL> ParentItem [as Handle or String])
Rückgabewert Handle or String
Anwendbar auf Tree

This method returns the handle or string key of the first child item of the specified parent item. If ParentItem has no children, the method returns NIL.