HasOpenHandlers (GWT Javadoc)

Type Parameters:

T - the type being opened

All Superinterfaces:

HasHandlers

All Known Implementing Classes:

AbstractCellTree, CellBrowser, CellTree, DisclosurePanel, Tree
```
public interface HasOpenHandlers<T>
extends HasHandlers
```
A widget that implements this interface is a public source of OpenEvent events.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  HandlerRegistration addOpenHandler(OpenHandler<T> handler)
  Adds an OpenEvent handler.
  - Methods inherited from interface com.google.gwt.event.shared.HasHandlers
    fireEvent

- Method Detail
  - addOpenHandler
```
HandlerRegistration addOpenHandler(OpenHandler<T> handler)
```
    Adds an OpenEvent handler.
    
    Parameters:
    
    handler - the handler
    
    Returns:
    
    the registration for the event