IWindowListener (Eclipse Platform API Specification)

```
public interface IWindowListener
```
Interface for listening to window lifecycle events.
This interface may be implemented by clients.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`windowActivated(IWorkbenchWindow window)`	Notifies this listener that the given window has been activated.
`void`	`windowClosed(IWorkbenchWindow window)`	Notifies this listener that the given window has been closed.
`void`	`windowDeactivated(IWorkbenchWindow window)`	Notifies this listener that the given window has been deactivated.
`void`	`windowOpened(IWorkbenchWindow window)`	Notifies this listener that the given window has been opened.

- Method Detail
  - windowActivated
```
void windowActivated(IWorkbenchWindow window)
```
    Notifies this listener that the given window has been activated.
    Note: This event is not fired if no perspective is open (the window is empty).
    
    Parameters:
    
    window - the window that was activated
  - windowDeactivated
```
void windowDeactivated(IWorkbenchWindow window)
```
    Notifies this listener that the given window has been deactivated.
    Note: This event is not fired if no perspective is open (the window is empty).
    
    Parameters:
    
    window - the window that was activated
  - windowClosed
```
void windowClosed(IWorkbenchWindow window)
```
    Notifies this listener that the given window has been closed.
    
    Parameters:
    
    window - the window that was closed
    
    See Also:
    
    IWorkbenchWindow.close()
  - windowOpened
```
void windowOpened(IWorkbenchWindow window)
```
    Notifies this listener that the given window has been opened.
    
    Parameters:
    
    window - the window that was opened
    
    See Also:
    
    IWorkbench.openWorkbenchWindow(java.lang.String, org.eclipse.core.runtime.IAdaptable)