Fires whenever a dockable window is hidden (i.e. closed).
| Name | Type | Description |
| DockableWindow | DockableWindow | Input DockableWindow object that specifies the window being hidden. |
| BeforeOrAfter | EventTimingEnum | Input EventTimingEnum indicating if the event is being fired before (kBefore) or after (kAfter) the window is hidden. |
| Context | NameValueMap | Input object that can be used to determine the context of why the event fired. No context information is provided for this event. |
| HandlingCode | HandlingCodeEnum | Output that indicates how you are handling the event. This argument is currently ignored. |