DBusMessage.method_error_valist

Description:

public DBusMessage.method_error_valist (DBusMessage method_call_message, string error_name, string error_message_format, va_list var_args)

Like DBusMessage.method_error but intended for language bindings.

this	A message of type g_dbus_message_type_method_call to create a reply message to.
error_name	A valid D-Bus error name.
error_message_format	The D-Bus error message in a printf format.
var_args	Arguments for `error_message_format`.