[Qt-interest] Setting a label's value from a slider automatically on launch

[jjDaNiMoTh]

2011/8/24 David Doria <daviddoria at gmail.com>:
> I have a slider and a label on my QMainWindow. In QtDesigner, I've
> created a signal/slot pair so that the slider's value is displayed in
> the label. When I run the program and slide the slider, the label is
> updated appropriately. However, the label does not take the correct
> value until the slider is moved for the first time. Is there a way to
> automatically make the label take the slider's value as soon as the
> program is started (before the slider is moved)?

Remember that if slider isn't moved, no signals are fired, so you need
to set the first value by hand.