Public Delegate Sub CustomAggregateEventHandler( _
   ByVal sender As Object, _
   ByVal e As CustomAggregateArgs _
) 

Dim instance As New CustomAggregateEventHandler(AddressOf HandlerMethod)

public delegate void CustomAggregateEventHandler( 
   object sender,
   CustomAggregateArgs e
)

public delegate CustomAggregateEventHandler( 
    sender: TObject;
    e: CustomAggregateArgs
);

public delegate CustomAggregateEventHandler( 
   sender : Object,
   e : CustomAggregateArgs
)

public: __gc __delegate void CustomAggregateEventHandler( 
   Object* sender,
   CustomAggregateArgs* e
)

public delegate void CustomAggregateEventHandler( 
   Object^ sender,
   CustomAggregateArgs^ e
)