QLineSeries undeclared identifier

[ivanicy]

Hello,

I have the 5.7.0 Qt version and I am trying to do a graphic with QLineSeries. I had installed the QCharts extension and included the header <QLineSeries> but Qt doesn't recognize it. Someone knows what is happening?

Thank you very much!

[Ratzz]

@ivanicy
Show me what you tried?

[ivanicy]

Hello, thank you for answer me.

This is that I am trying. This type of graphic:

http://doc.qt.io/qt-5/qtcharts-linechart-example.html

but Qt doesn't recognize me the QLineSeries

Thank you

[VRonin]

in your .pro file add QT += charts and then rerun qmake
source: https://doc.qt.io/qt-5/qtcharts-index.html#getting-started

[ivanicy]

Thank you very much.

I have this line too, but the links you send me give me information to fix my error. I have to include <QtCharts> and it resolves my problem.

Thank you again!

[SGaist]

Hi,

Don't use the module wide include in production code. Include only what you use. That way you'll save on compile time.