My component is always shown on the Default menu, I want to be able to change the menu from my component.

I have found that:

• $currentMenuId = JSite::getMenu()->getActive()->id ;

Returns the current active Menu item

However,

• $menu->setActive( $menuitemid );

Does not do anything,

Whether I use,

• $app = JFactory::getApplication(); $menu = $app->getMenu(); $menu->setActive( $menuitemid );

or,

• $menu = JSite::getMenu(); $menu->setActive( $menuitemid );

How can I change the menu?

As I do not want it to always be shown on the default menu.