main_PPT

#include "PPT.h"#include "QtGuiClass.h"#include <QtWidgets/QApplication>#include<Windows.h> int main(int argc, char *argv[]){    QApplication a(argc, argv);    PPT w;    w.show();    QtGuiClass w2;    w2.show();    bool b = QObject::connect(&w2, SIGNAL(signalNext()), &w, SLOT(onNext()));    //SwitchToThisWindow(FindWindow(L"screenClass", NULL), 0);    return a.exec();}