MenuTitleCount Property

[DispIdAttribute(10)]
int MenuTitleCount {get;}

public bool _result = false;
      public ConvertCtrlForm _form = new ConvertCtrlForm();
      private ConvertCtrl _convertCtrl = null;
      private LTDvdWriter _dvdWriter = null;

      public void DvdWriterExample()
      {
         // reference the convert control
         _convertCtrl = _form.ConvertCtrl;

         // source files for DVD content
         string inFile1 = Path.Combine(LEAD_VARS.MediaDir,"DVDWriter_Source1.avi");
         string inFile2 = Path.Combine(LEAD_VARS.MediaDir,"DVDWriter_Source2.avi");
         string inFile3 = Path.Combine(LEAD_VARS.MediaDir,"DVDWriter_Source3.avi");
         string inFile4 = Path.Combine(LEAD_VARS.MediaDir,"DVDWriter_Source4.avi");
         string backgroundImageFile = Path.Combine(LEAD_VARS.MediaDir,"DVDWriter_Background.jpg");
         string outFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_DvdWriterExample_DVD");

         try
         {
            _dvdWriter = null;

            _convertCtrl.Preview = true;
            _convertCtrl.PreviewVisible = true;

            // setup the converter
            _convertCtrl.TargetFormat = TargetFormatType.DVD;
            _convertCtrl.VideoCompressors.Mpeg2.Selected = true;
            _convertCtrl.AudioCompressors.MpegAudio.Selected = true;

            // Create a DVD image with 2 titles, each contains 2 chapters: 
            // Source video
            _convertCtrl.SourceFile = inFile1;

            // Destination image folder
            _convertCtrl.TargetFile = outFile;

            // Retrieve the DVD Writer interface 
            _dvdWriter = _convertCtrl.GetSubObject(ConvertObject.Sink) as LTDvdWriter;

            _dvdWriter.RemoveAllMenuTitles();
            _dvdWriter.MenulessTitlePlay = false;

            // Set the TitleBreak property to false. 
            // This will prevent the title from being written immediately after the conversion
            _dvdWriter.TitleBreak = false;

            _dvdWriter.AddMenuTitle("Title 1", -1);

            // Write the first chapter in the first title
            _convertCtrl.StartConvert();

            while (_convertCtrl.State != ConvertState.Stopped)
               Application.DoEvents();

            _convertCtrl.ResetSource();

            int highPart = 0;
            int lowPart = _dvdWriter.GetBytesWritten(out highPart);
            Int64 written = highPart << 32 | lowPart;

            _convertCtrl.SourceFile = inFile2;
            _convertCtrl.StartConvert();

            while (_convertCtrl.State != ConvertState.Stopped)
               Application.DoEvents();

            _convertCtrl.ResetSource();

            // Prepare for the second title
            // Set the TitleBreak property to TRUE, so the the current title can be flushed
            _dvdWriter.TitleBreak = true;

            // Disable Overwrite so the title will be appended to an existing dvd image
            _dvdWriter.Overwrite = false;
            _dvdWriter.MenulessTitlePlay = false;

            // Set the TitleBreak property to FALSE. 
            // This will prevent the title from being written immediately after the conversion
            _dvdWriter.TitleBreak = false;
            _dvdWriter.AddMenuTitle("Title 2", -1);

            // Write the first chapter in the second title
            _convertCtrl.SourceFile = inFile3;
            _convertCtrl.StartConvert();

            while (_convertCtrl.State != ConvertState.Stopped)
               Application.DoEvents();

            _convertCtrl.ResetSource();

            // Write the second chapter in the second title
            _convertCtrl.SourceFile = inFile4;
            _convertCtrl.StartConvert();

            while (_convertCtrl.State != ConvertState.Stopped)
               Application.DoEvents();

            _convertCtrl.ResetSource();

            // Close the second title
            _dvdWriter.TitleBreak = true;

            _dvdWriter.TitleMenu = true;
            _dvdWriter.MenuLoop = true;
            _dvdWriter.MenulessTitlePlay = false;

            // Write the second chapter in the second title
            _convertCtrl.SourceFile = backgroundImageFile;
            ChangeStillImageDuration(1.0);

            _convertCtrl.StartConvert();

            while (_convertCtrl.State != ConvertState.Stopped)
               Application.DoEvents();

            _convertCtrl.ResetSource();

            _dvdWriter.TitleMenu = false;
            _dvdWriter.Overwrite = false;

            _convertCtrl.ResetTarget();
            _convertCtrl.ResetSource();

            // done, free COM object
            Marshal.ReleaseComObject(_dvdWriter);
            _dvdWriter = null;

            // set the result 
            _result = true;
         }
         catch (Exception ex)
         {
            _result = false;
         }
      }

      private void ChangeStillImageDuration(double duration)
      {
         ILTStlImgRd pStlImgRd;

         try
         {
            pStlImgRd = _convertCtrl.GetSubObject(ConvertObject.SourceFilter) as ILTStlImgRd;
            if (pStlImgRd != null)
            {
               // get the current menu duration
               double currentDuration;
               currentDuration = _convertCtrl.Duration;

               if (currentDuration * 2 <= duration)
                  pStlImgRd.Loop = (int)(duration / currentDuration + 0.5);
            }
         }
         catch
         {
         }
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
}