This method adds a new external document link by its URL, and returns
its instance. If a document instance already exists for the specified URL,
then that instance gets returned instead of creating a new one.
This method adds a new external document link by its URL, and returns
its instance. If a document instance already exists for the specified URL,
then that instance gets returned instead of creating a new one.
Parameter aDocName
document URL (e.g. file:///path/to/document.ods)
Returns
com::sun::star::sheet::XExternalDocLink external document link instance