Public Event MouseEnter As MouseEventHandler

Dim instance As GlassLabel
Dim handler As MouseEventHandler
 
AddHandler instance.MouseEnter, handler

public event MouseEventHandler MouseEnter

public event MouseEnter: MouseEventHandler; 

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

public: __event MouseEventHandler* MouseEnter

public:
event MouseEventHandler^ MouseEnter