| Name | Description | |
|---|---|---|
 | activated | Occurs when UI element is activated and connected with the UI-control. (Inherited from WebUiElementJS) |
| destroyed | Occurs when UI element is destroyed. (Inherited from WebUiElementJS) |
| showing | Occurs when context menu is showing. (Inherited from WebUiContextMenuJS) |
| stateChanged | Occurs when UI element active state is changed. (Inherited from WebUiElementJS) |
| stateChanging | Occurs when UI element active state is changing. (Inherited from WebUiElementJS) |
| thumbnailsDeleted | Occurs when the thumbnails are deleted. |
| thumbnailsDeleting | Occurs when the thumbnails are deleting. |
| warningOccured | Occurs when warning (non-critical error) occurs in UI-control. (Inherited from WebUiElementJS) |