public static bool DocumentsAreEqual( Stream firstDocument, Stream secondDocument, PdfDecryptionHandler handler, PdfConfigurationOptions options )
Public Shared Function DocumentsAreEqual ( firstDocument As Stream, secondDocument As Stream, handler As PdfDecryptionHandler, options As PdfConfigurationOptions ) As Boolean
This method is useful for regression tests when you compare two versions of the same document.
The firstDocument and the secondDocument must be streams that allow reading and seeking. Otherwise, the method throws an exception of PdfException type.
The method uses decryption handler specified by the handler parameter for both files. It's assumed that both files encrypted using the same encryption handler or both files are not encrypted at all.
This method ignores time-dependent document properties like CreationDate and ModifiedDate. Document metadata, trailer IDs and some other auto-generated properties are also get ignored.