Converting Word Documents to PDF for Visual C#

////////////////////////////////////////////////////////////////////////////////////////////////////
// This example was designed for using in Microsoft Visual C# from 
// Microsoft Visual Studio 2003 or above.
//
// 1. Microsoft Word 97 or above should be installed and activated on your PC.
//
// 2. Universal Document Converter 5.2 or above should be installed, too.
//
// 3. Add references to "Microsoft Word XX.0 Object Library" and "Universal Document Converter Type Library"
//    using the Project | Add Reference menu > COM tab.
//    XX is the Microsoft Office version installed on your computer.
//
// 4. Notice that the number of Microsoft Word's method parameters may depend on the Office version.
////////////////////////////////////////////////////////////////////////////////////////////////////
 
using System;
using System.IO;
using Word = Microsoft.Office.Interop.Word; //using Word; in VS2003
using UDC;
 
namespace WordToPDF
{
    class Program
    {
        static void PrintWordToPDF(string WordDocFilePath)
        {
            //Create a UDC object and get its interfaces
            IUDC objUDC = new APIWrapper();
            IUDCPrinter Printer = objUDC.get_Printers("Universal Document Converter");
            IProfile Profile = Printer.Profile;
 
            //Use Universal Document Converter API to change settings of convertered document
            Profile.PageSetup.ResolutionX = 600;
            Profile.PageSetup.ResolutionY = 600;
 
            Profile.FileFormat.ActualFormat = FormatID.FMT_PDF;
 
            Profile.FileFormat.PDF.ColorSpace = ColorSpaceID.CS_TRUECOLOR;
            Profile.FileFormat.PDF.Multipage = MultipageModeID.MM_MULTI;
 
            Profile.OutputLocation.Mode = LocationModeID.LM_PREDEFINED;
            Profile.OutputLocation.FolderPath = @"c:\UDC Output Files";
            Profile.OutputLocation.FileName = @"&[DocName(0)] -- &[Date(0)] -- &[Time(0)].&[ImageType]";
            Profile.OutputLocation.OverwriteExistingFile = false;
 
            //Create a Word's Application object
            Word.Application WordApp = new Word.Application();
 
            Object FilePath = WordDocFilePath;
            Object ReadOnly = true;
            Object Missing = Type.Missing; //This will be passed when ever we don’t want to pass value
 
            //Open document from file
            Word.Document WordDoc = WordApp.Documents.Open(ref FilePath, ref Missing, ref ReadOnly, ref Missing, ref Missing, 
                ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, 
                ref Missing, ref Missing, ref Missing);
 
            //Print all pages of the document
            Object Background = false;
            WordApp.ActivePrinter = "Universal Document Converter";
            WordApp.PrintOut(ref Background, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing,
                ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing,
                ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing);
 
            //Close the document
            Object SaveChanges = false;
            WordDoc.Close(ref SaveChanges, ref Missing, ref Missing);
 
            //Quit the word application
            WordApp.Quit(ref Missing, ref Missing, ref Missing);
        }
 
        static void Main(string[] args)
        {
            string TestFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestFile.doc");
            PrintWordToPDF(TestFilePath);
        }
    }
}