EventHandler (FocessQQ 4.0.6.3000 API)

```
@Target(METHOD)
@Retention(RUNTIME)
public @interface EventHandler
```
Represent an event listener method. It means this method mush own one argument whose class is an implemented Event.

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`boolean`	`notCallIfCancelled`	Set whether this method should be called when the event is cancelled
`boolean`	`notCallIfPrevented`	Set whether this method should be called when the event is prevented
`EventPriority`	`priority`	Set the priority of this event listener method

- Element Detail
  - priority
```
EventPriority priority
```
    Set the priority of this event listener method
    
    Returns:
    
    the priority of this event listener method
    
    Default:
    
    top.focess.qq.api.event.EventPriority.NORMAL
- - notCallIfCancelled
```
boolean notCallIfCancelled
```
    Set whether this method should be called when the event is cancelled
    
    Returns:
    
    true if this method should be called when the event is cancelled, false otherwise
    
    Default:
    
    false
- - notCallIfPrevented
```
boolean notCallIfPrevented
```
    Set whether this method should be called when the event is prevented
    
    Returns:
    
    true if this method should be called when the event is prevented, false otherwise
    
    Default:
    
    false