/// <summary> /// Reads eight-bytes unsigned value from the underlaying stream. /// </summary> /// <returns><see cref="ulong"/> read</returns> /// <exception cref="IOException">Thrown when end of stream was reached and <see cref="Unsecure"/> is false.</exception> public ulong ReadULong() { AssertRead(8, "ULong"); return(BE ? ByteUtils.ToULongBE(buffer) : ByteUtils.ToULongLE(buffer)); }