public void UpdateFieldsBeforeRendering()
        {
            //ExStart
            //ExFor:Document.UpdateFields
            //ExId:UpdateFieldsBeforeRendering
            //ExSummary:Shows how to update all fields before rendering a document.
            Document doc = new Document(MyDir + "Rendering.doc");

            // This updates all fields in the document.
            doc.UpdateFields();

            doc.Save(MyDir + "Rendering.UpdateFields Out.pdf");
            //ExEnd
        }