Klasse VolumeButton

Alle implementierten Schnittstellen:
PointerInterface

public class VolumeButton extends ScaleButton
`GtkVolumeButton` is a `GtkScaleButton` subclass tailored for
volume control.

<picture>
<source srcset="volumebutton-dark.png" media="(prefers-color-scheme: dark)">
<img alt="An example GtkVolumeButton" src="volumebutton.png">
</picture>

https://docs.gtk.org/gtk4/class.VolumeButton.html