IElementUpdater (Eclipse Platform API Specification)

```
public interface IElementUpdater
```
An IHandler for a command that expects to provide feedback through the registered element mechanism must implement this interface.

Since:

3.3

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`updateElement(UIElement element, Map parameters)`	Whenever the elements for a command are refreshed, this method is called on the active handler for that command.

- Method Detail
  - updateElement
```
void updateElement(UIElement element,
                   Map parameters)
```
    Whenever the elements for a command are refreshed, this method is called on the active handler for that command.
    Note: Handlers must never cache the element, which can disappear or be replaced at any time. Everybody should go through the ICommandService refreshElements(*) method.
    
    Parameters:
    
    element - An element for a specific UI element. Will not be null.
    
    parameters - Any parameters registered with the callback. Will not be null, but it may be empty.