udkapi/com/sun/star/container/XContainer.idl

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  19
  20
  21
  22 module com {  module sun {  module star {  module container {
  23
  24
  25 /** supports quick access to the information if a container currently
  26     contains elements.
  27
  28     <p>The XContainer interface is provided for containers
  29     which need to broadcast changes within the container; that means
  30     the actions of adding or removing elements are broadcast to the
  31     listeners.  </p>
  32
  33     <p>This can be useful for UI to enable/disable some functions
  34     without actually accessing the data.  </p>
  35
  36     @see XContent
  37     @see XIndexAccess
  38     @see XNameAccess
  39     @see XEnumerationAccess
  40  */
  41 published interface XContainer: com::sun::star::uno::XInterface
  42 {
  43
  44     /** adds the specified listener to receive events when
  45         elements are inserted or removed.
  46
  47        <p>It is suggested to allow multiple registration of the same listener,
  48         thus for each time a listener is added, it has to be removed.
  49
  50         @see XContainerListener
  51      */
  52     void addContainerListener( [in] com::sun::star::container::XContainerListener xListener );
  53
  54
  55     /** removes the specified listener so it does not receive
  56         any events from this container.
  57
  58        <p>It is suggested to allow multiple registration of the same listener,
  59         thus for each time a listener is added, it has to be removed.
  60
  61         @see XContainerListener
  62      */
  63     void removeContainerListener( [in] com::sun::star::container::XContainerListener xListener );
  64
  65 };
  66
  67
  68 }; }; }; };
  69
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