## Uses of Interface
org.zkoss.zul.event.GroupsDataListener

- Packages that use GroupsDataListener
  Package | Description
  --- | ---
  org.zkoss.zul |

- - ### Uses of GroupsDataListener in org.zkoss.zul

    Methods in org.zkoss.zul with parameters of type GroupsDataListener
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | AbstractGroupsModel.`addGroupsDataListener​(GroupsDataListener l)` |
    `void` | GroupsModel.`addGroupsDataListener​(GroupsDataListener l)` | Adds a listener to the groups that's notified each time a change to the data model occurs.
    `void` | AbstractGroupsModel.`removeGroupsDataListener​(GroupsDataListener l)` |
    `void` | GroupsModel.`removeGroupsDataListener​(GroupsDataListener l)` | Removes a listener from the groups that's notified each time a change to the data model occurs.