Setting this property returns a specific item ID. The new item found depends on the value used:
| Value | Item Found | 
|---|---|
| TVNI-CHILD | First child of the current ITEM | 
| TVNI-FIRST-VISIBLE | First item currently visible in control | 
| TVNI-NEXT | Next sibling of the current ITEM | 
| TVNI-NEXT-VISIBLE | Next visible item after ITEM | 
| TVNI-PARENT | Parent item of the current ITEM | 
| TVNI-PREVIOUS | Previous sibling of ITEM | 
| TVNI-PREVIOUS-VISIBLE | Previous visible item before ITEM | 
| TVNI-ROOT | Topmost item in the entire control | 
These values are defined in acugui.def.