'Declaration Public Event Opening As EventHandler(Of RibbonGroupOpeningEventArgs)
public event EventHandler<RibbonGroupOpeningEventArgs> Opening
The event handler receives an argument of type RibbonGroupOpeningEventArgs containing data related to this event. The following RibbonGroupOpeningEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Group | Returns the associated Infragistics.Windows.Ribbon.RibbonGroup. |
| Handled (Inherited from System.Windows.RoutedEventArgs) | Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. |
| OriginalSource (Inherited from System.Windows.RoutedEventArgs) | Gets the original reporting source as determined by pure hit testing, before any possible System.Windows.RoutedEventArgs.Source adjustment by a parent class. |
| RoutedEvent (Inherited from System.Windows.RoutedEventArgs) | Gets or sets the System.Windows.RoutedEventArgs.RoutedEvent associated with this System.Windows.RoutedEventArgs instance. |
| Source (Inherited from System.Windows.RoutedEventArgs) | Gets or sets a reference to the object that raised the event. |
The Opening event is invoked when the IsOpen property of a RibbonGroup is being changed from false to true and the popup containing the contents of the RibbonGroup is about to be displayed.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2