instance

          Bitmap bmp = (Bitmap)mOriginal.Clone();

        ImageProcessor imgproc = new ImageProcessor(null, fileName, bmp.Size, false);
        imgproc.LinePreview = true;
        imgproc.LineDirection = ImageProcessor.Direction.Vertical;
        imgproc.PreviewVector(bmp);

        pictureBox1.Image = null;
        pictureBox1.Image = bmp;