IWindowCloseListener (IIZI - 2.1.0.15885 Java API Specification)

Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface IWindowCloseListener
```
Interface used to listen for window closure.
Author:
Christopher Mindus

- Method Summary
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  void onWindowClosed(boolean isBlocked)
  Called when the window is closed.

- Method Detail
  - onWindowClosed
```
void onWindowClosed(boolean isBlocked)
```
    Called when the window is closed.
    Parameters:
    isBlocked - true if the window failed to open in the first place because it was blocked by the browser privacy/security settings, false if it is normally closed by the user.