Public Overloads Shared Sub RegisterClassHandler( _
   ByVal classType As Type, _
   ByVal routedEvent As RoutedEvent, _
   ByVal handler As Delegate _
) 

Dim classType As Type
Dim routedEvent As RoutedEvent
Dim handler As Delegate
 
EventManager.RegisterClassHandler(classType, routedEvent, handler)

public static void RegisterClassHandler( 
   Type classType,
   RoutedEvent routedEvent,
   Delegate handler
)

public procedure RegisterClassHandler( 
    classType: Type;
    routedEvent: RoutedEvent;
    handler: Delegate
); static; 

public static function RegisterClassHandler( 
   classType : Type,
   routedEvent : RoutedEvent,
   handler : Delegate
);

public: static void RegisterClassHandler( 
   Type* classType,
   RoutedEvent* routedEvent,
   Delegate* handler
) 

public:
static void RegisterClassHandler( 
   Type^ classType,
   RoutedEvent^ routedEvent,
   Delegate^ handler
) 

static Default()
{
    // register class-level routed event handler
    // this enables the event of all instances with the same type to be handled at once
    EventManager.RegisterClassHandler(typeof(Default), Keyboard.KeyUpEvent, new KeyEventHandler(OnKeyUp), true);
    EventManager.RegisterClassHandler(typeof(Default), UXComboBox.SelectionChangedEvent, new SelectionChangedEventHandler(OnSelectionChanged));
    EventManager.RegisterClassHandler(typeof(Default), UXCheckBox.CheckedStateChangedEvent, new ISRoutedEventHandler(OnIsCheckedChanged));
}

private static void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
{
    Default page = sender as Default;
    page.SetEventStatus("ComboBox selection changed...");

    e.Handled = true;
}

private static void OnIsCheckedChanged(object sender, ISRoutedEventArgs e)
{
    Default page = sender as Default;
    page.SetEventStatus("CheckBox check state changed...");

    e.Handled = true;
}

private static void OnKeyUp(object sender, KeyEventArgs e)
{
    if (e.OriginalSource is ISButton || e.OriginalSource is ISTextBox || e.OriginalSource is ISSelectionControl)
    {
        Default page = sender as Default;

        if (!e.Handled && KeyStroke.IsCharacter(e.Key) || KeyStroke.IsNumeric(e.Key))
        {
            page.SetEventStatus("Typing...");
            e.Handled = true;
        }
    }
}

private void SetEventStatus(string status)
{
    EventStatus.Text = status;

    // reset status in 1s
    Utility.ExecuteTimeOut(1,
        () =>
        {
            EventStatus.Text = "Idle";
        });
}