?? main.cpp
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#include <QApplication>#include <iostream>#include "tetrahedron.h"using namespace std;int main(int argc, char *argv[]){ QApplication app(argc, argv); if (!QGLFormat::hasOpenGL()) { cerr << "This system has no OpenGL support" << endl; return 1; } Tetrahedron tetrahedron; tetrahedron.setWindowTitle(QObject::tr("Tetrahedron")); tetrahedron.resize(300, 300); tetrahedron.show(); return app.exec();}?? 快捷鍵說明
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