How to draw horizontal horizontal line on QCustomPlot?

[TheCeylann]

I want to add 2 fixed lines horizontally to the chart. I tried the below Code but it adds the line vertically. How can I make it horizontal?

QCPItemStraightLine *infLine = new QCPItemStraightLine(customPlot);
infLine->point1->setCoords(2, 0);  // location of point 1 in plot coordinate
infLine->point2->setCoords(2, 1);  // location of point 2 in plot coordinate

[SGaist]

Hi,

Fix the coordinates. Twice the same x coordinates will make a vertical line.

[TheCeylann]

@SGaist Thank you. It's worked, Can I ask how can I set color for this?

[SGaist]

From a quick look at the class documentation: setPen.