For target components that support multiple columns in their model,
along with column reordering in the view, this method transforms the
specified columnIndex from model coordinates to view coordinates.
For target components that support multiple columns in their model,
along with column reordering in the view, this method transforms the
specified columnIndex from model coordinates to view coordinates.
Defines the requirements for a tree table node object that can change -- by
adding or removing child nodes, or by changing the contents of a user object
stored in the node.