QCustomPlot Discussion and Comments

Label on y-axis showing the y-axis value along with extention from the last price clocked.Return to overview

https://ibb.co/kG4Tb7

Wanted something like this. How can I achieve this ?

I would create a subclass of QCPItemRect or something , modify how it paints so that it will draw a line across the spectrum and draw the arrow on the axis.

http://www.qcustomplot.com/index.php/tutorials/specialcases/axistags is similar to what you want.