Public Delegate Sub AuthenticationEventHandler( _
   ByVal sender As Object, _
   ByVal e As AuthenticationEventArgs _
) 

Dim instance As New AuthenticationEventHandler(AddressOf HandlerMethod)

public delegate void AuthenticationEventHandler( 
   object sender,
   AuthenticationEventArgs e
)

public delegate AuthenticationEventHandler( 
    sender: TObject;
    e: AuthenticationEventArgs
);

public delegate AuthenticationEventHandler( 
   sender : Object,
   e : AuthenticationEventArgs
)

public: __gc __delegate void AuthenticationEventHandler( 
   Object* sender,
   AuthenticationEventArgs* e
)

public delegate void AuthenticationEventHandler( 
   Object^ sender,
   AuthenticationEventArgs^ e
)