CI_004.cs

    public void ChangeImage(byte[] pixeldata, byte[] bmiInfoHeader)
    {
      if (!IsConnected())
      {
        return;
      }

      int i = 0;
      while (i <= (pixeldata.GetLength(0) - 2))
      {
        
        // Change color profile to 6-235

        // RED 
        if (pixeldata[i] <= 16)
        {
          pixeldata[i] = 0;
        }
        else if (pixeldata[i] >= 235)
        {
          pixeldata[i] = 255;
        }

        // GREEN
        if (pixeldata[i + 1] <= 16)
        {
          pixeldata[i + 1] = 0;
        }
        else if (pixeldata[i + 1] >= 235)
        {
          pixeldata[i + 1] = 255;
        }

        // BLUE
        if (pixeldata[i + 2] <= 16)
        {
          pixeldata[i + 2] = 0;
        }
        else if (pixeldata[i + 2] >= 235)
        {
          pixeldata[i + 2] = 255;
        } 
        
        i += 4;
      }

      SetPixelData(bmiInfoHeader, pixeldata);
    }