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

        public long Skip(long n)
        {
            return SkipBytes(n);
        }

 // Utilities
 
 /**
 * Returns the number of image directories (subimages) stored in a
 * given TIFF file, represented by a <code>SeekableStream</code>.
 */
 public static int GetNumDirectories(RandomAccessFileOrArray stream)
 {
     long pointer = stream.FilePointer; // Save stream pointer
     
     stream.Seek(0L);
     int endian = stream.ReadUnsignedShort();
     if (!IsValidEndianTag(endian)) {
         throw new ArgumentException(MessageLocalization.GetComposedMessage("bad.endianness.tag.not.0x4949.or.0x4d4d"));
     }
     bool isBigEndian = (endian == 0x4d4d);
     int magic = ReadUnsignedShort(stream, isBigEndian);
     if (magic != 42) {
         throw new ArgumentException(MessageLocalization.GetComposedMessage("bad.magic.number.should.be.42"));
     }
     
     stream.Seek(4L);
     long offset = ReadUnsignedInt(stream, isBigEndian);
     
     int numDirectories = 0;
     while (offset != 0L) {
         ++numDirectories;
         
         // EOFException means IFD was probably not properly terminated.
         try {
             stream.Seek(offset);
             int entries = ReadUnsignedShort(stream, isBigEndian);
             stream.Skip(12*entries);
             offset = ReadUnsignedInt(stream, isBigEndian);
         } catch (EndOfStreamException) {
             numDirectories--;
             break;
         }
     }
     
     stream.Seek(pointer); // Reset stream pointer
     return numDirectories;
 }