connect_data

Description:

public void connect_data (string detailed_signal, owned Callback c_handler, ConnectFlags flags)

Connects callback to the signal detailed_signal on the target instance of this.

this	a SignalGroup
detailed_signal	a string of the form "signal-name:`DzlSignalGroup:detail`"
c_handler	the RadioActionCallback to connect
flags	the flags used to create the signal connection
data	the data to pass to `callback` calls
notify	function to be called when disposing of this