HasChangeHandlers (GWT Javadoc)

All Superinterfaces:

HasHandlers

All Known Implementing Classes:

DoubleBox, FileUpload, IntegerBox, ListBox, LongBox, PasswordTextBox, TextArea, TextBox, TextBoxBase, ValueBox, ValueBoxBase
```
public interface HasChangeHandlers
extends HasHandlers
```
A widget that implements this interface provides registration for ChangeHandler instances.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  HandlerRegistration addChangeHandler(ChangeHandler handler)
  Adds a ChangeEvent handler.
  - Methods inherited from interface com.google.gwt.event.shared.HasHandlers
    fireEvent

- Method Detail
  - addChangeHandler
```
HandlerRegistration addChangeHandler(ChangeHandler handler)
```
    Adds a ChangeEvent handler.
    
    Parameters:
    
    handler - the change handler
    
    Returns:
    
    HandlerRegistration used to remove this handler