BoundExtent

```
@Retention(RUNTIME)
@Target(FIELD)
public @interface BoundExtent
```
A binding for an interface component that has an extent (setExtent/getExtent methods).

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  java.lang.String to
  The model property to bind to.
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  java.lang.String on
  When this binding should occur.

- Element Detail
  - to
```
java.lang.String to
```
    The model property to bind to.
- - on
```
java.lang.String on
```
    When this binding should occur.
    
    Default:
    
    ""