Paintable.connectInvalidateSize

gulong connectInvalidateSize(T)(T callback, Flag!"After" after = No.After)

Connect to InvalidateSize signal.

Emitted when the intrinsic size of the paintable changes.

This means the values reported by at least one of [gdk.paintable.Paintable.getIntrinsicWidth], [gdk.paintable.Paintable.getIntrinsicHeight] or [gdk.paintable.Paintable.getIntrinsicAspectRatio] has changed.

Examples for such an event would be a paintable displaying the contents of a toplevel surface being resized.

Parameters

`callback`	signal callback delegate or function to connect `void callback(gdk.paintable.Paintable paintable)` `paintable` the instance the signal is connected to (optional)
`after`	Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID