Creates an association to map between dbus_error_name and #GErrors specified by error_domain and error_code.
This is typically done in the routine that returns the #GQuark for an error domain.
A #GQuark for an error domain.
An error code.
A D-Bus error name.
true if the association was created, false if it already exists.
Creates an association to map between dbus_error_name and #GErrors specified by error_domain and error_code.
This is typically done in the routine that returns the #GQuark for an error domain.