Problem z rejestracją ekranu za pomocą klasy Microsoft.Expression.Encoder.ScreenCapture

        public bool StartRecording
        {
            get
            {
                return startrecording;
            }
            set
            {

                if (RecordingInOperation)
                {
                    StopRecording = true;
                }

                startrecording = value;

                if (Directory.Exists(DirectoryPath.Substring(0, DirectoryPath.IndexOf("\\") + 1)) && value && !this.StopRecording)
                {
                    try
                    {
                        

                        job = new ScreenCaptureJob();

                        Rectangle Resolution = Screen.AllScreens[ScreenID].Bounds;

                        int offset = 0;

                        for (int i = 0; i < ScreenID; i++)
                        {
                            offset += Screen.AllScreens[i].Bounds.Width;
                        }


                        job.ScreenCaptureVideoProfile.Quality = this.Quality;
                        job.ScreenCaptureVideoProfile.FrameRate = this.FrameRate;
                        ConstantBitrate b = new ConstantBitrate(this.BitRate);
                        job.ScreenCaptureVideoProfile.Bitrate = b;
                     
                        
                        // Sets the top right coordinates of the capture rectangle
                        int topRightX = offset;
                        int topRightY = 0;
                        // Sets the bottom left coordinates of the capture rectangle
                        int BottomLeftX = topRightX + Resolution.Width;
                        int BottomLeftY = topRightY + Resolution.Height;

                        //job.CaptureRectangle = new Rectangle(topRightX, topRightY, BottomLeftX, BottomLeftY);
                        job.CaptureRectangle = new Rectangle(topRightX, topRightY, BottomLeftX, BottomLeftY);

                        job.ScreenCaptureVideoProfile.AutoFit = true;
                
                        job.ShowFlashingBoundary = false;

                        

                        job.OutputScreenCaptureFileName = DirectoryPath + @"\" + FileNamePrefix + "_" + DateTime.Now.Year.ToString("0000") + DateTime.Now.Month.ToString("00") + DateTime.Now.Day.ToString("00") + "_" + DateTime.Now.Hour.ToString("00") + DateTime.Now.Minute.ToString("00") + DateTime.Now.Second.ToString("00") + ".xesc";
                        job.Start();
                       
                        startTim = DateTime.Now;
                        recording = true;
                        try
                        {
                            RecordingStatusChanged();
                        }
                        catch (Exception)
                        {

                        }

                    }
                    catch (Exception)
                    {
                        throw;
                    }
                    this.StartRecording = false;
                }
            }
        }

        
        public bool StopRecording
        {
            get
            {
                return stoprecording;
            }
            set
            {
                stoprecording = value;

                if (value && !this.StartRecording)
                {
                    try
                    {
                        recording = false;
                        job.Stop();
                        try
                        {
                            RecordingStatusChanged();
                        }
                        catch (Exception)
                        {

                        }
                    }
                    catch(Exception)
                    {
                        throw;
                    }
                    this.StopRecording = false;
                }
            }
        }

     Rectangle Resolution = Screen.AllScreens[ScreenID].Bounds;

      int offset = 0;

       for (int i = 0; i < ScreenID; i++)
       {
              offset += Screen.AllScreens[i].Bounds.Width;
       }

       int topRightX = offset;