iTextSharp.text.pdf.RandomAccessFileOrArray.ReadIntLE C# (CSharp) Метод

        public int ReadIntLE()
        {
            int ch1 = this.Read();
            int ch2 = this.Read();
            int ch3 = this.Read();
            int ch4 = this.Read();
            if ((ch1 | ch2 | ch3 | ch4) < 0)
                throw new EndOfStreamException();
            return ((ch4 << 24) + (ch3 << 16) + (ch2 << 8) + (ch1 << 0));
        }

 private int ReadInt(RandomAccessFileOrArray stream)
 {
     if (isBigEndian) {
         return stream.ReadInt();
     } else {
         return stream.ReadIntLE();
     }
 }