File Content Extraction 26.1
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 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: create_root_node