connect_closure

Description:

[ Version ( since = "2.74" ) ]
public void connect_closure (string detailed_signal, Closure closure, bool after)

Connects closure to the signal detailed_signal on target.

You cannot connect a signal handler after target has been set.

this	a SignalGroup
detailed_signal	a string of the form `signal-name` with optional ``GSignalGroup::signal-detail``
closure	the closure to connect.
after	whether the handler should be called before or after the default handler of the signal.