Synopsis

struct              EComposerFromHeader;
EComposerHeader *   e_composer_from_header_new          (ESourceRegistry *registry,
                                                         const gchar *label);
const gchar *       e_composer_from_header_get_active_id
                                                        (EComposerFromHeader *header);
void                e_composer_from_header_set_active_id
                                                        (EComposerFromHeader *header,
                                                         const gchar *active_id);