Public Event PointerUp As EventHandler(Of MouseEventArgs)

Dim instance As UXFlowControlPanel
Dim handler As EventHandler(Of MouseEventArgs)
 
AddHandler instance.PointerUp, handler

public event EventHandler<MouseEventArgs> PointerUp

public event PointerUp: EventHandler; 

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

public: __event EventHandler<MouseEventArgs*>* PointerUp

public:
event EventHandler<MouseEventArgs^>^ PointerUp