ISPDocumentParser.ExtractThumbnail Method
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Extracts the thumbnail image of this document from the document.
HRESULT ExtractThumbnail(
Parameters
pilb
[in] The document from which to extract the thumbnail.
pistmThumbnail
[in] The document thumbnail image.
Return Value
The parser methods return typical HRESULT values. In general, the parser should return a positive OK value when successful or a negative FAIL value when unsuccessful.