Sets the target instance used when connecting signals. Any signal
that has been registered with gobject.signal_group.SignalGroup.connectObject or
similar functions will be connected to this object.
If the target instance was previously set, signals will be
disconnected from that object prior to connecting to target.
Sets the target instance used when connecting signals. Any signal that has been registered with gobject.signal_group.SignalGroup.connectObject or similar functions will be connected to this object.
If the target instance was previously set, signals will be disconnected from that object prior to connecting to target.