Public _result As Boolean = False
      Public _form As ConvertCtrlForm = New ConvertCtrlForm()
      Public Sub StartedExample()
         Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi")
         Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_StartedExample.mp4")

         ' reference the convert control
         Dim convertctrl As ConvertCtrl = _form.ConvertCtrl

         Try

            ' set the Started event handler here
            AddHandler convertctrl.Started, AddressOf ConvertCtrl_Started

            ' set the input and output files
            convertctrl.SourceFile = inFile
            convertctrl.TargetFile = outFile

            ' set video and audio compressors for the output
            convertctrl.VideoCompressors.Mpeg2.Selected = True
            convertctrl.AudioCompressors.AC3.Selected = True

            ' convert it
            convertctrl.StartConvert()
         Catch e1 As Exception
            _result = False
         End Try

         ' we'll loop on the state and pump messages for this example.
         ' but you should not need to if running from a Windows Forms application.
         Do While convertctrl.State = ConvertState.Running
            Application.DoEvents()
         Loop
      End Sub

      Public Sub ConvertCtrl_Started(ByVal sender As Object, ByVal e As EventArgs)
         ' set result
         _result = True
      End Sub

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media"
End Class

public bool _result = false;
      public ConvertCtrlForm _form = new ConvertCtrlForm();
      public void StartedExample()
      {
         string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.avi");
         string outFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_StartedExample.mp4");

         // reference the convert control
         ConvertCtrl convertctrl = _form.ConvertCtrl;

         try
         {

            // set the Started event handler here
            convertctrl.Started += new EventHandler(ConvertCtrl_Started);

            // set the input and output files
            convertctrl.SourceFile = inFile;
            convertctrl.TargetFile = outFile;

            // set video and audio compressors for the output
            convertctrl.VideoCompressors.Mpeg2.Selected = true;
            convertctrl.AudioCompressors.AC3.Selected = true;

            // convert it
            convertctrl.StartConvert();
         }
         catch (Exception)
         {
            _result = false;
         }

         // we'll loop on the state and pump messages for this example.
         // but you should not need to if running from a Windows Forms application.
         while (convertctrl.State == ConvertState.Running)
            Application.DoEvents();
      }

      public void ConvertCtrl_Started(object sender, EventArgs e)
      {
         // set result
         _result = true;
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media";
}