Hi,
I want to move a QwtPlotMarker (vertical) when I click on it, and move it while the mouse button is down. Of course, the marker should follow the mouse cursor.
What is the easiest way to achieve this ?
Regards,
Hi,
I want to move a QwtPlotMarker (vertical) when I click on it, and move it while the mouse button is down. Of course, the marker should follow the mouse cursor.
What is the easiest way to achieve this ?
Regards,
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