Public Event LayoutUpdated As EventHandler

Dim instance As UXItemsControl
Dim handler As EventHandler
 
AddHandler instance.LayoutUpdated, handler

public event EventHandler LayoutUpdated

public event LayoutUpdated: EventHandler; 

In JScript, you can handle the events defined by another class, but you cannot define your own.

public: __event EventHandler* LayoutUpdated

public:
event EventHandler^ LayoutUpdated