signals and control arrays

[zorro68]

I have read obout sender() function and I need more help. I have programm this:

for (int i=0;i<max_contorno;i++){
		connect(SLDpaso[i], SIGNAL(valueChanged(int)), this, SLOT(setIsoValueInt(int)));
}

for (int i=0;i<max_contorno;i++){
		connect(SLDpaso[i], SIGNAL(valueChanged(int)), this, SLOT(setIsoValueInt(int)));
}

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and in setIsoValueInt:

QSlider *SLDp = (QSlider *)sender();

QSlider *SLDp = (QSlider *)sender();

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But i dont know how to obtain the index of the Sliders array