signal callback delegate or function to connect
void callback(atk.rectangle.Rectangle arg1, atk.component.Component component)
arg1 The AtkRectangle giving the new position and size. (optional)
component 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 BoundsChanged signal.
The 'bounds-changed" signal is emitted when the position or size of the component changes.