main.cpp Example File

piechartcustomization/main.cpp
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 #include "mainwidget.h"
 #include <QtWidgets/QApplication>
 #include <QtWidgets/QMainWindow>

 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
     QMainWindow window;
     MainWidget widget;
     window.setCentralWidget(&widget);
     window.resize(900, 600);
     window.show();
     return a.exec();
 }