mxEventSource.mxIEventListener (mxGraph 4.2.2 API Specification)

Enclosing class:

mxEventSource
```
public static interface mxEventSource.mxIEventListener
```
Defines the requirements for an object that listens to an event source.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`invoke(java.lang.Object sender, mxEventObject evt)`	Called when the graph model has changed.

- Method Detail
  - invoke
```
void invoke(java.lang.Object sender,
            mxEventObject evt)
```
    Called when the graph model has changed.
    
    Parameters:
    
    sender - Reference to the source of the event.
    
    evt - Event object to be dispatched.