Like g_dbus_method_invocation_return_error() but takes a #GError instead of the error domain, error code and message.
This method will free @invocation, you cannot use it afterwards.
A #GError.
2.26
See Implementation
Like g_dbus_method_invocation_return_error() but takes a #GError instead of the error domain, error code and message.
This method will free @invocation, you cannot use it afterwards.