Signal which allows you to change how the scale value is displayed.
Connect a signal handler which returns an allocated string representing
value. That string will then be used to display the scale's value.
Here's an example signal handler which displays a value 1.0 as
with "-->1.0<--".
Signal which allows you to change how the scale value is displayed. Connect a signal handler which returns an allocated string representing value. That string will then be used to display the scale's value. Here's an example signal handler which displays a value 1.0 as with "-->1.0<--".