using (FileStream fs = new FileStream("../../photo - 2.jpg", FileMode.Open))
{
    CJpgReader jpgr = new CJpgReader();
    jpgr.Parse(fs);
    //jpgr.Rotate
    //-1:none exif 
    //1:normal 2:mirror
    //3:180    4:180 mirror
    //5:270    6:270 mirror
    //7:90     8:90 mirror
    //jpgr.Headers
    //jpg format list
}