[Aspose.Words]Extract objects from rich text format file(.rtf)

I’m using Aspose.Words to analyze RTF files.
I want to extract objects(OLE Objects) from an RTF files.
How can I do it?

@yasufumi_hayashi You can use OleFormat.Save method to extract embedded OLE objects from your documents.

Thank you for your answer.
It was done by the method you taught me.