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:: com :: sun :: star :: awt :: tree ::
unpublished | interface XTreeDataModel |
  Base Interfaces
      XTreeDataModel
      ┗ ::com::sun::star::lang::XComponent
  ::com::sun::star::lang::XComponent | (referenced interface's summary:) allows to exclicitly free resources and break cyclic references.
Usage Restrictions not published Description An instance of this interface is used by the TreeControl to retrieve the hierarchical outline data that is displayed in the actual control. If you implement your own XTreeDataModel you need to notify registered XTreeDataModelListener if your model changes after the control is created. If this is not done correctly the TreeControl will not update the data properly. If you do not need your own model implementation, you can also use the MutableTreeDataModel.

Methods' Summary
getRoot | Returns the root of the tree.
addTreeDataModelListener | Adds a listener for the TreeDataModelEvent posted after the tree changes.
removeTreeDataModelListener | Removes a listener previously added with addTreeDataModelListener().

Methods' Details
getRoot
XTreeNode
getRoot();
Description Returns the root of the tree. Returns null only if the tree has no nodes. Returns the root of the tree
addTreeDataModelListener
void
addTreeDataModelListener( | [in] XTreeDataModelListener | Listener );
Description Adds a listener for the TreeDataModelEvent posted after the tree changes. Parameter Listener the listener to add.
removeTreeDataModelListener
void
removeTreeDataModelListener( | [in] XTreeDataModelListener | Listener );
Description Removes a listener previously added with addTreeDataModelListener(). Parameter Listener the listener to remove.

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