Public Event PropertyChanged As PropertyChangedEventHandler

Dim instance As BasePackage
Dim handler As PropertyChangedEventHandler
 
AddHandler instance.PropertyChanged, handler

public event PropertyChangedEventHandler PropertyChanged

public event PropertyChanged: PropertyChangedEventHandler; 

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

public: __event PropertyChangedEventHandler* PropertyChanged

public:
event PropertyChangedEventHandler^ PropertyChanged