private int readUnsignedShort(RandomAccessFileOrArray stream)
 {
     if (_isBigEndian)
     {
         return(stream.ReadUnsignedShort());
     }
     else
     {
         return(stream.ReadUnsignedShortLe());
     }
 }
 private static int readUnsignedShort(RandomAccessFileOrArray stream,
                                      bool isBigEndian)
 {
     if (isBigEndian)
     {
         return(stream.ReadUnsignedShort());
     }
     else
     {
         return(stream.ReadUnsignedShortLe());
     }
 }