def callback(test_obj, arr, len, user_param1, ...)
This test signal similar to GSettings::change-event. You can use this with , or raise from the introspection client language.
test_obj
instance of that is emitting the signal
arr
numbers, or None
len
length of arr
, or 0
user_param1
first user parameter (if any) specified with the connect() method
...
additional user parameters (if any)