MenuTitleCount Property

using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

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 18\Media";
}