private void HeadersAndFooters( string file )

    {

      using( var document = DocX.Load( file ) )

      {

        // Generate the Headers/Footers for this document

        document.AddHeaders();

        document.AddFooters();



        // Indicate that the first page will have independent Headers/Footers

        document.DifferentFirstPage = true;



        // Indicate that even and odd page will have separate Headers/Footers

        document.DifferentOddAndEvenPages = true;



        // Insert a Paragraph in the Headers/Footers for the first page

        document.Headers.First.InsertParagraph( "This is the " ).Append( "first" ).Bold().Append( " page header" );

        document.Footers.First.InsertParagraph( "This is the " ).Append( "first" ).Bold().Append( " page footer" );



        // Insert a Paragraph in the Headers/Footers for the even pages

        document.Headers.Even.InsertParagraph( "This is an " ).Append( "even" ).Bold().Append( " page header" );

        document.Footers.Even.InsertParagraph( "This is an " ).Append( "even" ).Bold().Append( " page footer" );



        // Insert a Paragraph in the Headers/Footers for the odd pages

        document.Headers.Odd.InsertParagraph( "This is an " ).Append( "odd" ).Bold().Append( " page header" );

        document.Footers.Odd.InsertParagraph( "This is an " ).Append( "odd" ).Bold().Append( " page footer" );



        // Save the changes to the document

        document.Save();

      }

    }