CacheListenerSupportIsEmpty Method | 
| Name | Description | |
|---|---|---|
| IsEmpty | 
            Checks whether or not this CacheListenerSupport object
            contains any listeners.
              | |
| IsEmpty(Object) | 
            Checks whether or not this CacheListenerSupport object
            contains any listeners for a given key.
              | |
| IsEmpty(IFilter) | 
            Checks whether or not this CacheListenerSupport object
            contains any listeners for a given filter.
              |