Variable Path for QPixmap

[moatilliatta]

Hello everyone,

i'm trying to add a variable to my QPixmap-Path. I thought it just works as a String but apparently it doesn't. Here is what i've written so far.

picData(int i) {
    		std::ostringstream s;
    		s << i;
    		greyscale = new QLabel();
    		greyscale->setPixmap(QPixmap("images/0"+s.str+"_greyscale.png"));
    	};

picData(int i) {
    		std::ostringstream s;
    		s << i;
    		greyscale = new QLabel();
    		greyscale->setPixmap(QPixmap("images/0"+s.str+"_greyscale.png"));
    	};

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The "s.str" is an integer that stands for different groups of pictures. In the folder are different .png files from e.g. 1 to 9. I don't want to write everything except for the one number over and over again. Is there another way?

Thank you in advance.
Moat