signal callback delegate or function to connect
void callback(gda.holder.Holder holder, gda.set.Set set)
holder the #GdaHolder for which the #GType has been set (optional)
set 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 HolderTypeSet signal.
Gets emitted when holder in set has its type finally set, in case it was #GDA_TYPE_NULL