Interface 

Description 

IFileConverter 

Converts files to HTML, RTF, or text, optionally highlighting hits in the output. 

IIndexCache 

An index cache keeps a pool of indexes open for faster searching 

IIndexJob 

Creates and updates indexes 

IJobErrorInfo 

Error messages returned from an IndexJob, SearchJob, or FileConverter 

IOptions 

Sets dtSearch Engine indexing and searching option settings. 

ISearchFilter 

Provides a way to designate which documents can be returned by a search. 

ISearchJob 

Performs searches with or without an index. 

ISearchReportJob 

Use a SearchReportJob to generate a search report from some or all of the items listed in a SearchResults object. 

ISearchResults 

Provides access to the results of a search 

IServer 

Provides access to the other objects in the COM interface 

IWordListBuilder 

WordListBuilder provides a way to list words in an index.