Once a manager has been added in a manager,
it is no different from any other graphic object. Nevertheless, the
manager contains a set of methods that allow you to have quick
access to the managers added in a manager and to the manager
hierarchy in general.
You can obtain an enumeration of the managers present in a
submanager using the method getManagers and a count of how many managers
are present with the method getManagersCount.
The same methods can be applied to a particular layer: getManagers and getManagersCount.
Note that these methods will return the
submanagers at the first level of the hierarchy only. Using these
methods is much more efficient than traversing the list of all
objects present in a manager.
You can also traverse up the hierarchy of managers, using the
method getParent.
In the simple example (see Example: Adding a nested manager) the
following line would return
toplevel
:
subManager.getParent()
For a manager at the top level, this method returns
null
.