Are you sure that node exist? When you remove some node, other nodes' indexes shifted. So last node index no longer valid.

>I'm trying to remove all the sibling nodes in a treeview and I keep getting the error "Unknown Name" on the Remove line.
>
>

oParentNode = toNode.PARENT
>iNodeIndex = oParentNode.FirstSibling.INDEX
>
>DO WHILE .T.
>	IF iNodeIndex <> oParentNode.LastSibling.INDEX
>		THISFORM.oTree.Nodes(iNodeIndex).REMOVE && Error occurs here
>		iNodeIndex  = THISFORM.oTree.Nodes(iNodeIndex ).NEXT.INDEX
>	ELSE
>		THISFORM.oTree.Nodes(iNodeIndex).REMOVE
>		EXIT
>	ENDIF
>ENDDO

>
>Can anybody see what I'm doing wrong? TIA