windowsforms-devexpress-dot-xtrabars-dot-barbuttonitem-dot-underscore-events.md
A button command in the Ribbon UI, toolbar, or popup menu.
| Name | Description |
|---|---|
| CommandCanExecuteChanged | Occurs when the CanExecute(Object) status of the Command has changed. |
| CommandChanged | Occurs after the value of the Command property has changed. |
| CommandParameterChanged | Occurs after the value of the Command property has changed. |
| DefaultDropDownLinkChanged | Raises when the value of the DefaultDropDownLink property changes. |
| Disposed | Occurs when the component is disposed by a call to the Dispose() method. Inherited from Component. |
| DownChanged | Occurs after the item’s pressed state has been changed. Inherited from BarBaseButtonItem. |
| HyperlinkClick | Occurs each time an end-user clicks a hyperlink within the current BarItem. Inherited from BarItem. |
| ItemClick | Occurs when the current item is clicked. Inherited from BarItem. |
| ItemDoubleClick | Fires when a link to an item is double-clicked. Inherited from BarItem. |
| ItemPress | Fires immediately after a link associated with an item has been pressed. Inherited from BarItem. |
| ItemRightClick | Occurs when a user right-clicks the BarItem. Inherited from BarItem. |
See Also