Indicates whether the stream contains a PDF portfolio.
public static boolean isPortfolio(
Stream containing the data of a PDF document.
The password to use when loading this PDF file (if the file is encrypted); otherwise, use null.
true if the file is a PDF portfolio; otherwise, false.
A PDF file can be created as a portfolio which contains multiple files assembled into an integrated unit. In these types of documents, the file contains a single generic help page with text such as "For the best experience, open this PDF portfolio in a compatible viewer", any number of attachments, and a schema to control how to view the document.
Refer to PDFDocument.EmbeddedFiles for more information.
For an example, refer to GetEmbeddedFileCount.
Medical Web Viewer .NET
.NET, Java, Android, and iOS/macOS Assemblies
C API/C++ Class Libraries