signal callback delegate or function to connect
void callback(string primary, string secondary, gtk.places_sidebar.PlacesSidebar placesSidebar)
primary primary message with a summary of the error to show. (optional)
secondary secondary message with details of the error to show. (optional)
placesSidebar the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to ShowErrorMessage signal.
The places sidebar emits this signal when it needs the calling application to present an error message. Most of these messages refer to mounting or unmounting media, for example, when a drive cannot be started for some reason.