IHandlerListener (Eclipse Platform API Specification)

```
public interface IHandlerListener
```
An instance of this interface can be used by clients to receive notification of changes to one or more instances of IHandler.
This interface may be implemented by clients.

Since:

3.1

See Also:

IHandler.addHandlerListener(IHandlerListener), IHandler.removeHandlerListener(IHandlerListener)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`handlerChanged(HandlerEvent handlerEvent)`	Notifies that one or more properties of an instance of `IHandler` have changed.

- Method Detail
  - handlerChanged
```
void handlerChanged(HandlerEvent handlerEvent)
```
    Notifies that one or more properties of an instance of IHandler have changed. Specific details are described in the HandlerEvent.
    
    Parameters:
    
    handlerEvent - the handler event. Guaranteed not to be null.