| Event ID | Description |
| WINDOW_OPENED | occurs the first time a window is made visible. |
| WINDOW_CLOSING | occurs as a result of the close icon being selected or Close being selected from the window's system menu. |
| WINDOW_CLOSED | occurs when the window has been closed. |
| WINDOW_ACTIVATED | occurs when the window is activated - obtains the focus, in other words. When another GUI component has the focus, you could make the window obtain the focus by clicking on it, for example. |
| WINDOW_DEACTIVATED | occurs when the window is deactivated - loses the focus, in other words. Clicking on another window would cause this event, for example. |
| WINDOW_GAINED_FOCUS | occurs when the window gains the focus. This implies that the window or one of its components will receive keyboard events. |
| WINDOW_LOST_FOCUS | occurs when the window loses the focus. This implies that keyboard events will not be delivered to the window or any of its components. |
| WINDOW_ICONIFIED | occurs when the window is minimized and reduced to an icon. |
| WINDOW_DEICONIFIED | occurs when the window is restored from an icon. |
| WINDOW_STATE_CHANGED | occurs when the window state changes - when it is maximized or minimized, for instance. |
