AWTEventMulticaster.addInternal
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protected static EventListener addInternal( EventListener a,
EventListener b )
Parameters
- a
- event listener-a
- b
- event listener-b
Description
Returns the resulting multicast listener from adding listener-a
and listener-b together.
If listener-a is null, it returns listener-b;
If listener-b is null, it returns listener-a
If neither are null, then it creates and returns
a new AWTEventMulticaster instance which chains a with b.