The interfaces in the Cluster Administrator Extension API allow developers to create property sheets and integrate them into Cluster Administrator's graphical environment and to retrieve data from Cluster Administrator.
The following table describes each of the extension interfaces:
| Interface | Description |
|---|---|
| IGetClusterDataInfo | Retrieves information about a cluster. |
| IGetClusterGroupInfo | Retrieves information about a group. |
| IGetClusterNodeInfo | Retrieves information about a node. |
| IGetClusterObjectInfo | Retrieves information about a cluster object. |
| IGetClusterResourceInfo | Retrieves information about a resource. |
| IGetClusterUIInfo | Retrieves information about Cluster Administrator's user interface. |
| IWCContextMenuCallback | Adds menu items to Cluster Administrator's context menu. |
| IWCPropertySheetCallback | Adds property sheets to Cluster Administrator's property pages. |
| IWCWizardCallback | Adds a property page to Cluster Administrator's Create Group or Create Resource and manages navigation. |
| IWEExtendContextMenu | Enhances a Cluster Administrator context menu. |
| IWEExtendPropertySheet | Enhances a Cluster Administrator property sheet. |
| IWEExtendWizard | Enhances Cluster Administrator's Create Group or Create Resource wizard. |
| IWEInvokeCommand | Performs commands associated with items added to Cluster Administrator context menus. |
Note Cluster Administrator extensions must make all calls to interface methods in the Cluster Administrator Extension API from a single thread. This style of threading is referred to as apartment model threading.