Core class used to implement an admin screen API.

Constructor

Add a help tab to the contextual help for the screen.

Sets the old string-based contextual help for the screen for backward compatibility.

Adds an option for the screen.

Fetches a screen object.

Gets the number of layout columns the user has selected.

Gets the content from a contextual help sidebar.

Gets the arguments for a help tab.

Gets the help tabs registered for the screen.