WordPress: Disable “Add New” on Custom Post Type

Question

Is there any way to disable the option of adding a new post under a Custom Post Type in WordPress (3.0)? I\'ve looked into labels and arguments but can\'t find anything that

Answer 1

add_action("load-post-new.php", 'block_post');

function block_post()
{
    if($_GET["post_type"] == "custom_type") 
        wp_redirect("edit.php?post_type=custom_type");
}