# Uses of Interface
com.documentum.fc.client.search.IDfQueryListener

Packages that use IDfQueryListener
Package
Description
com.documentum.fc.client.search
Provides classes and interfaces for constructing and running search queries against multiple content repositories as well as external information sources (optional).

- ## Uses of IDfQueryListener in com.documentum.fc.client.search

  Classes in com.documentum.fc.client.search that implement IDfQueryListener
  Modifier and Type
  Class
  Description
  `class`
  `DfGenericQueryListener`
  Empty implementation of IDfQueryListener.
  Methods in com.documentum.fc.client.search with parameters of type IDfQueryListener
  Modifier and Type
  Method
  Description
  `void`
  IDfQueryProcessor.`addListener(IDfQueryListener listener)`
  Registers a listener of the query execution.
  `void`
  IDfQueryProcessor.`removeListener(IDfQueryListener listener)`
  Unregisters a listener of the query execution.