iTextSharp.text.pdf.LongHashtable.Remove C# (CSharp) Метод

        public long Remove( long key )
        {
            LongHashtableEntry[] tab = table;
            int hash = key.GetHashCode();
            int index = ( hash & 0x7FFFFFFF ) % tab.Length;
            for ( LongHashtableEntry e = tab[index], prev = null ; e != null ; prev = e, e = e.next ) {
                if ( e.hash == hash && e.key == key ) {
                    if ( prev != null )
                        prev.next = e.next;
                    else
                        tab[index] = e.next;
                    --count;
                    return e.value;
                }
            }
            return 0;
        }