Question about QT Creator and MinGW - (Minimalist GNU for Windows)

[mr.exodia]

The export you're looking for is called "_ZN15QAbstractSlider17setSliderPositionEi" (Inside QtGui4.dll / Qt5Widgets.dll)

I made a small example program for you (Qt5, but the idea is the same), the button sets the slider to position 30.

Notice that you also need the class pointer to the slider control, this could be hard to obtain in a target you're not familiar with, but there is some help: the slider type (horizontal/vertical I think) is set inside the code using "_ZN15QAbstractSlider14setOrientationEN2Qt11OrientationE" it will use the same 'this' pointer.

Download: http://rghost.net/50472432

Hope this solves your problem...

Greetings,

Mr. eXoDia