Apache Lucene.Net 2.4.0 Class Library API

TermPositionVector.GetTermPositions Method 

Returns an array of positions in which the term is found. Terms are identified by the index at which its number appears in the term String array obtained from the

indexOf
method. May return null if positions have not been stored.

int[] GetTermPositions(
   int index
);

See Also

TermPositionVector Interface | Lucene.Net.Index Namespace