signal callback delegate or function to connect
void callback(string arg1, int arg2, atk.object.ObjectAtk objectAtk)
arg1 the text to be announced. (optional)
arg2 an #AtkLive specifying the politeness of the notification. Should be either ATK_LIVE_POLITE or ATK_LIVE_ASSERTIVE. (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 Notification signal.
The "notification" signal can be emitted to pass an announcement on to be read by a screen reader.