iTextSharp.text.pdf.intern.PdfVersionImp.AddDeveloperExtension C# (CSharp) Метод

        public void AddDeveloperExtension(PdfDeveloperExtension de)
        {
            if (extensions == null) {
                extensions = new PdfDictionary();
            }
            else {
                PdfDictionary extension = extensions.GetAsDict(de.Prefix);
                if (extension != null) {
                    int diff = de.Baseversion.CompareTo(extension.GetAsName(PdfName.BASEVERSION));
                    if (diff < 0)
                        return;
                    diff = de.ExtensionLevel - extension.GetAsNumber(PdfName.EXTENSIONLEVEL).IntValue;
                    if (diff <= 0)
                        return;
                }
            }
            extensions.Put(de.Prefix, de.GetDeveloperExtensions());
        }