Signal detail or null (default)
signal callback delegate or function to connect
void callback(string arg1, bool arg2, atk.object.ObjectAtk objectAtk)
arg1 The name of the state which has changed (optional)
arg2 A boolean which indicates whether the state has been set or unset. (optional)
objectAtk 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 StateChange signal.
The "state-change" signal is emitted when an object's state changes. The detail value identifies the state type which has changed.