To
If you require a container file, including subfiles, to be
To extract subfiles, follow this general procedure
Open the source file by calling the method. This call defines the parameters necessary to open a file for extraction.
Determine whether the main file is a container file (contains subfiles) by calling the method.
If the call to extGetMainFileInfo() determined the source file is a container file, proceed to Determine whether the subfile is itself a container (contains subfiles) by calling the extGetSubFileInfo method.; otherwise,
Determine whether the subfile is itself a container (contains subfiles) by calling the method.
Extract the subfile by calling the method.
If the call to extGetSubFileInfo determined the subfile is a container file, repeat Open the source file by calling the extOpenDocument method. This call defines the parameters necessary to open a file for extraction. through Extract the subfile by calling the extExtractSubFile method. until all subfiles are extracted and the lowest level of subfiles is reached; otherwise,
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