# 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.