Fixed Theme

Hello,
i want to have a fixed theme. The user should not be able to change the theme.
But when i make the themeswitcher unvisible the theme is not loaded.
How can i load a theme without themeswitcher
Thanks and Regards
Theo
i want to have a fixed theme. The user should not be able to change the theme.
But when i make the themeswitcher unvisible the theme is not loaded.
How can i load a theme without themeswitcher
Thanks and Regards
Theo