ContainerAdapter
class
(overriding only the methods of interest).
The listener object created from that class is then registered with a
component using the component's addContainerListener
method. When the container's contents change because a component
has been added or removed, the relevant method in the listener object
is invoked, and the ContainerEvent
is passed to it.
Container events are provided for notification purposes ONLY;
The AWT will automatically handle add and remove operations
internally so the program works properly regardless of
whether the program registers a ContainerListener
or not.
ContainerAdapter
, ContainerEvent
, Tutorial: Writing a Container Listener
Modifier and Type | Method and Description |
---|---|
public void | componentAdded(ContainerEvent
the event to be processed e)Invoked when a component has been added to the container. |
public void | componentRemoved(ContainerEvent
the event to be processed e)Invoked when a component has been removed from the container. |
componentAdded | back to summary |
---|---|
public void componentAdded(ContainerEvent e) Invoked when a component has been added to the container.
|
componentRemoved | back to summary |
---|---|
public void componentRemoved(ContainerEvent e) Invoked when a component has been removed from the container.
|