Creates a GtkVolumeButton.
The button has a range between 0.0 and 1.0, with a stepping of 0.02. Volume values can be obtained and modified using the functions from [class@Gtk.ScaleButton].
a new GtkVolumeButton
ConstructionException GTK+ fails to create the object.
See Implementation
Creates a GtkVolumeButton.
The button has a range between 0.0 and 1.0, with a stepping of 0.02. Volume values can be obtained and modified using the functions from [class@Gtk.ScaleButton].