| GetIndexMetadata | Returns metadata summary information for the specified indexes. You can use this method to help construct a navigation control that allows users to find their way around the data without searching. |
| InitializeEngine | InitializeEngine is used when utilizing the COM objects in your own application. InitializeEngine must be called before any other method. |
| NewSearch | Creates a new search object that is used to perform advanced ISYS searching |
| OpenAgents | Opens the specified path and returns an Intelligent Agent Manager for that folder. |
| OpenCatalog | Returns an enumeration of the indexes in the ISYS:desktop catalog. |
| OpenConcept | Opens the specified concept tree file and returns the root element. |
| OpenIndex | Opens the given index ready for searching. If the index cannot be opened, an exception will be raised. |
| OpenIndexEx | Opens the given index ready for searching using the specified flag. If the index cannot be opened, an exception will be raised. |
| OpenResults | Loads a previously saved result list and returns an associated ISYSResultList object. |