// This example uses Word Automation to create a document, add some text, add a table, 
// fill it with random data and generate barcode images for it.

using System;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Reflection;
using Microsoft.Office.Interop.Word;
using Word = Microsoft.Office.Interop.Word;
using Bytescout.BarCode;

namespace GenerateWordDocumentWithBarcodes
{
    class Program
    {
        static void Main(string[] args)
        {
            object optional = Missing.Value;
            object endOfDocBookmark = "\\endofdoc"; /* \endofdoc is a predefined bookmark */ 

            // start Word
            _Application word = new Application();
            word.Visible = false;

            // create new document
            _Document document = word.Documents.Add(ref optional, ref optional, ref optional, ref optional);

            // insert a paragraph at the beginning of the document
            Paragraph paragraph1 = document.Content.Paragraphs.Add(ref optional);
            paragraph1.Range.Text = "Heading 1";
            paragraph1.Range.Font.Bold = 1;
            paragraph1.Format.SpaceAfter = 24; // 24 pt spacing after paragraph
            paragraph1.Range.InsertParagraphAfter();

            // insert another paragraph
            object range = document.Bookmarks.get_Item(ref endOfDocBookmark).Range;
            Paragraph paragraph2 = document.Content.Paragraphs.Add(ref range);
            paragraph2.Range.Text = "This is a sentence of normal text. Now here is a table:";
            paragraph2.Range.Font.Bold = 0;
            paragraph2.Format.SpaceAfter = 24;
            paragraph2.Range.InsertParagraphAfter();


            // insert a 5 x 2 table, make the first header row bold and italic
            range = document.Bookmarks.get_Item(ref endOfDocBookmark).Range;
            Table table = document.Tables.Add((Range) range, 5, 2, ref optional, ref optional);
            table.Cell(1, 1).Range.Text = "Value";   // 1st column header
            table.Cell(1, 2).Range.Text = "Barcode"; // 2nd column header
            table.Rows[1].Range.Font.Bold = 1;
            table.Rows[1].Range.Font.Italic = 1;
            AddBorders(table.Cell(1, 1).Range);
            AddBorders(table.Cell(1, 2).Range);

            Random random = new Random();
            string tempImage = Path.Combine(Path.GetTempPath(), "tempImage.png");

            // create barcode object
            Barcode barcode = new Barcode("demo", "demo");
            barcode.Symbology = SymbologyType.Code128;
            barcode.DrawCaption = false;

            // fill the table with random data and add barcode images
            for (int row = 2; row <= 5; row++)
            {
                string randomValue = random.Next().ToString(CultureInfo.InvariantCulture);
                Range cell = table.Cell(row, 1).Range;
                cell.Text = randomValue;

                AddBorders(cell);

                // generate barcode and save it to temporary image file
                barcode.Value = randomValue;
                barcode.SaveImage(tempImage);

                // put barcode image to second column
                cell = table.Cell(row, 2).Range;
                cell.InlineShapes.AddPicture(tempImage, ref optional, ref optional, ref optional);

                AddBorders(cell);
            }


            // save document
            object fileName = @"sample.doc"; // use full file path in your app
            document.SaveAs(ref fileName, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional, ref optional);

            // quit Word
            object saveChanges = true;
            word.Quit(ref saveChanges, ref optional, ref optional);

            System.Diagnostics.Process.Start((string) fileName);
        }

        // Adds borders to provided Range
        static void AddBorders(Range cell)
        {
            cell.Borders[WdBorderType.wdBorderLeft].LineStyle = WdLineStyle.wdLineStyleSingle;
            cell.Borders[WdBorderType.wdBorderTop].LineStyle = WdLineStyle.wdLineStyleSingle;
            cell.Borders[WdBorderType.wdBorderRight].LineStyle = WdLineStyle.wdLineStyleSingle;
            cell.Borders[WdBorderType.wdBorderBottom].LineStyle = WdLineStyle.wdLineStyleSingle;
        }
    }
}