Qwt缺失包括

Question

When typing the following line:

QwtPointSeriesData* myData = new QwtPointSeriesData;

It says to me that identifier is undefined. But I have typed the following includes in which, it was mentioned that it cannot open those opens pource files.

#include <qwt_plot_curve.h>
#include "qwt_series_data.h"

Any ideas how to solve and find out how to get them?

Answer 1

要回答我的问题：看来我的QWT版本太旧了！