# Uses of Interface
javax.imageio.event.IIOReadUpdateListener

Packages that use IIOReadUpdateListener
Package | Description
--- | ---
javax.imageio | The main package of the Java Image I/O API.

## Uses of IIOReadUpdateListener in javax.imageio

Fields in javax.imageio with type parameters of type IIOReadUpdateListener
Modifier and Type | Field | Description
--- | --- | ---
`protected List<IIOReadUpdateListener>` | ImageReader.`updateListeners` | A `List` of currently registered `IIOReadUpdateListener`s, initialized by default to `null`, which is synonymous with an empty `List`.

Methods in javax.imageio with parameters of type IIOReadUpdateListener
Modifier and Type | Method | Description
--- | --- | ---
`void` | ImageReader.`addIIOReadUpdateListener​(IIOReadUpdateListener listener)` | Adds an `IIOReadUpdateListener` to the list of registered update listeners.
`void` | ImageReader.`removeIIOReadUpdateListener​(IIOReadUpdateListener listener)` | Removes an `IIOReadUpdateListener` from the list of registered update listeners.