<DescriptionAttribute()>
<CategoryAttribute("Behavior")>
Public Event InitializePostBack As PostBackEventHandler

Dim instance As WebCombo
Dim handler As PostBackEventHandler
 
AddHandler instance.InitializePostBack, handler

[DescriptionAttribute()]
[CategoryAttribute("Behavior")]
public event PostBackEventHandler InitializePostBack

public event InitializePostBack: PostBackEventHandler; 

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

[DescriptionAttribute()]
[CategoryAttribute("Behavior")]
public: __event PostBackEventHandler* InitializePostBack

[DescriptionAttribute()]
[CategoryAttribute("Behavior")]
public:
event PostBackEventHandler^ InitializePostBack