iTextSharp.text.pdf.PdfDocument.AddAdditionalAction C# (CSharp) Метод

        internal void AddAdditionalAction(PdfName actionType, PdfAction action)
        {
            if (additionalActions == null)  {
                additionalActions = new PdfDictionary();
            }
            if (action == null)
                additionalActions.Remove(actionType);
            else
                additionalActions.Put(actionType, action);
            if (additionalActions.Size == 0)
                additionalActions = null;
        }