Microsoft.Windows.Controls.Ribbon.RibbonGallery.OnSelectionChanged C# (CSharp) Метод

        protected virtual void OnSelectionChanged(RoutedPropertyChangedEventArgs<object> e)
        {
            RaiseEvent(e);

            if (ShouldExecuteCommand && !e.Handled && e.NewValue != null)
            {
                CommandHelpers.InvokeCommandSource(CommandParameter, PreviewCommandParameter, this, CommandOperation.Execute);
            }
        }