installing a header menu (categories for instance)

[User1234567891]

I am trying to add categories to the header block in administraton->modules->positions.

It adds categories in the back office but does not show in the front end.

[rocky]

The categories block was not designed to be placed in the header. It was only designed to be placed in the left or right columns. You will need to add a function hookTop($params) to modules/blockcategories/blockcategories.php and write your own menu code. Alternatively, you could use the WizNav module to create a menu with a categories dropdown.

[trocvuong]

I want add menu header. I write code same hookLeft. But it don't show. Please help me