Tree Item - Add Method

Add a new design instance

Member of Tree Item (PRIM_TREE.TreeItem)


Name Type Data Type Description
Result *Result (Optional) PRIM_TREE.TreeItem Reference to the newly created item
DesignType *Input PRIM_OBJT Name of the reusable part to create as the design instance.


The Add method is used to add specialized design type instances to the Tree as a child of the item.
Design reusable parts must implement the Prim_Book.iBookDesign interface and inherit from the class specified in the Design property of the Book.
When using the Add method, Tree no longer works like a LANSA list, and is intended for more advanced implementations.


Adding a specialized design type, in this case a page for an Employee data object.
Mthroutine Name(AddItem)
   Define_Com Class(#prim_Tree.TreeItem) Name(#Item) Reference(*Dynamic)
   #Item <= #ThisItem.Add(#MyEmployeeItem)
   #Item.RelatedReference <= #DataEmployee

See also

All Component Classes

Technical Reference

LANSA Version 15, April 2020