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I have a slider and want to change its value in some function. I tried with something like this:
(builder componentAt: #SliderR) widget model setValue: 124.
but it doesn’t work. (value has changed but the marker remains in the same position).
Try value: instead of setValue:
The incantation to access this ValueHolder seems quite long and fragile. Be sure to wrap such code under a clear message selector. Or maybe think of sharing this state in an instance variable of your application…