Gets the pango.layout.Layout used to display the scale.
The returned object is owned by the scale so does not need to be freed by the caller.
the pango.layout.Layout for this scale, or null if the propertyGtk.Scale:draw-value property is false.
Gets the pango.layout.Layout used to display the scale.
The returned object is owned by the scale so does not need to be freed by the caller.