Addon leaves menus and forms after shutdown

I am new to SAP Addon development and I am trying to build a few forms in C#, but I have a little problem with how I should load a Form and register menus.

Should an addon leave the buttons, menus it registered after shutting down the addon's executable? I develop in Visual Studio and when I start my addon, it first registers the menu elements, then the event handlers (these event handlers look for my menus to be pressed, then start a new form). If I shutdown the exe, the menus are still there and I think the forms too, even tough they are closed in SAP (If I restart the addon the menus are working again, but changes most of the time don't show without an SAP relog/restart). If I restart the SAP a menus disappear of course.

1. I create an SAPboui.Application, passed down it as parameter for the following methods

2. Register App Events

3. Register Menu Elements

( oCreationPackage = ((MenuCreationParams (SBOApp.CreateObject(BoCreatableObjectType.cot_MenuCreationParams))); .. )

4. Register Menu Event Handler

5. The menu event handler looks like this:

public void Listener(ref MenuEvent pVal, out bool BubbleEvent)

{

BubbleEvent = true;

if ((pVal.MenuUID == MenuRegister.MENU_ID_MODULE1) & (pVal.BeforeAction == false))

{

Module1 m = new Module1(SBOApp);

m.Display();

}

}

After the menu click, I create a module class, which then loads the Form from XML, registers its own event handlers and display the form.