I_CmsHasToggleHandlers (OpenCms GWT Components API, version 17.0)

All Superinterfaces:

com.google.gwt.event.shared.HasHandlers
```
public interface I_CmsHasToggleHandlers
extends com.google.gwt.event.shared.HasHandlers
```
Interface to indicate that the implementing widget may have toggle event handlers.

Since:

8.0.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`com.google.gwt.event.shared.HandlerRegistration`	`addToggleHandler(I_CmsToggleHandler handler)`	Registers the toggle event handler.

Methods inherited from interface com.google.gwt.event.shared.HasHandlers
fireEvent

- Method Detail
  - addToggleHandler
```
com.google.gwt.event.shared.HandlerRegistration addToggleHandler(I_CmsToggleHandler handler)
```
    Registers the toggle event handler.
    
    Parameters:
    
    handler - the event handler
    
    Returns:
    
    the handler registration of this widget, may be used to remove the event handler