Sets the ImageList property of the control
trObj ’Do 'SetImage' obj
where obj is a text vector or vector of text vectors, the name(s) of the bitmapped objects to use. The first name contains the set of bitmaps or icons that are pointed to by the ImageIndex property of each item in the treeview. The second object, if supplied, contains the set of bitmaps or icons that are pointed to by the SelImageIndex property of each item in the treeview.
The shy result is always Boolean scalar 1.