Sets the target instance used when connecting signals. Any signal
that has been registered with g_signal_group_connect_object() 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 g_signal_group_connect_object() 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.