Connect to SourceChanged signal.
Gets emitted when the data model in which holder's values should be has changed
signal callback delegate or function to connect
void callback(gda.holder.Holder holder)
holder the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to SourceChanged signal.
Gets emitted when the data model in which holder's values should be has changed