add CheckSum to PdfEmbeddedFileStream #43
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add the ability to fill the /CheckSum of PdfEmbeddedFileStream
checksum has to be a MD5 hash of the file (according to spec)
Example usage:
From the document helper .AddEmbeddedFile:
var path = @"C:\Users\userxxx\Downloads\avion2.jpg"; document.AddEmbeddedFile("filename.jpg", path, "4f98ab027f9b64a1f7325aedfabe8c9f");Or directly on PdfEmbeddedFileStream's constructor:
var embeddedFileStream = new PdfEmbeddedFileStream(Owner, stream, "4f98ab027f9b64a1f7325aedfabe8c9f");HelloWorld-FB59FCE0CB3E4341B9C63E9D626484AB_tempfile.pdf
NB: this feature is available in PDFsharp-extended nuget package