https://forum.qt.io/topic/130315/qlegendmarker-signal-slot-connect-not-working
QLegendMarker signal/slot connect not working | Qt Forum
Sep 15, 2021 - Hello, I am trying to make a chart where the user can hide and show the available line series by clicking the respective legend marker, like this: QList ...
not workingsignalslotconnectqt