GdipSaveAddImage(GpImage image, GpImage newImage, EncoderParameters encoderParams);
GdipSaveImageToFile(GpImage image, string filename, ref Guid clsidEncoder, EncoderParameters encoderParams);
GdipSaveAdd(GpImage image, EncoderParameters encoderParams);
GdipGetEncoderParameterList(GpImage image, ref Guid clsidEncoder, uint size, EncoderParameters buffer);