Public Event PreInit As EventHandler

Dim instance As Page
Dim handler As EventHandler

AddHandler instance.PreInit, handler

public event EventHandler PreInit

public:
event EventHandler^ PreInit {
    void add (EventHandler^ value);
    void remove (EventHandler^ value);
}

/** @event */
public void add_PreInit (EventHandler value)

/** @event */
public void remove_PreInit (EventHandler value)

JScript 支持使用事件，但不支持进行新的声明。