File Content Extraction 25.3
Filter SDK C++ Programming Guide

# create_root_node

Creates an artificial root node when extracting subfiles from containers.

When you enable this option, all subfiles (except the artificial root node itself) have a parent, regardless of the file format and whether there is a root directory or file. The highest level of the subfile hierarchy will consist of only the artificial root node, rather than one or more subfiles.

For more information, see Understand the Subfile Hierarchy.

Default value: `false`

## Syntax

    Configuration& create_root_node(bool create_root_node);

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Version 25.3 | Last updated July 2025

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Product: File Content Extraction 25.3

Topic Title: create_root_node