Topic 

Description 

Filename Filters 

A filename filter is a pattern, like *.*, *.DOC, or FILE??10.DAT, that you can use to tell dtSearch which files you want it to search or index in a directory. 

Document Ids 

Each document in an index is assigned a unique integer identifier called a document id or "DocId". 

Null-delimited string set 

A null-delimited string set is a way to pass a series of any number of strings as a single string pointer.