Signal detail or null (default)
signal callback delegate or function to connect
void callback(uint arg1, atk.object.ObjectAtk arg2, atk.object.ObjectAtk objectAtk)
arg1 The index of the added or removed child. The value can be -1. This is used if the value is not known by the implementor when the child is added/removed or irrelevant. (optional)
arg2 A gpointer to the child AtkObject which was added or removed. If the child was removed, it is possible that it is not available for the implementor. In that case this pointer can be NULL. (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 ChildrenChanged signal.
The signal "children-changed" is emitted when a child is added or removed from an object. It supports two details: "add" and "remove"