do_action( 'admin_print_styles' )

Fires when styles are printed for all admin pages.

More Information

admin_print_styles should not be used to enqueue styles or scripts on the admin pages. Use admin_enqueue_scripts instead.

Used By
Used By	Description
wp-admin/includes/template.php: iframe_header()	Generic Iframe header for use with Thickbox.
wp-admin/includes/media.php: wp_iframe()	Outputs the iframe to display the media upload page.
wp-includes/class-wp-customize-widgets.php: WP_Customize_Widgets::print_styles()	Calls admin_print_styles-widgets.php and admin_print_styles hooks to allow custom styles from plugins.