/// <summary>
/// Reads two-bytes unsigned value from the underlaying stream.
/// </summary>
/// <returns><see cref="ushort"/> read</returns>
/// <exception cref="IOException">Thrown when end of stream was reached and <see cref="Unsecure"/> is false.</exception>
public ushort ReadUShort()
{
AssertRead(2, "UShort");
return(BE ? ByteUtils.ToUShortBE(buffer) : ByteUtils.ToUShortLE(buffer));
}