dsh/dh/Demo/03.PlayBack/main.cpp

#include "dialog.h"
#include <QApplication>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Dialog w;
    w.setWindowFlags(w.windowFlags()&~Qt::WindowContextHelpButtonHint);//隐藏帮助按钮
    w.setWindowTitle("PlayBack");
    w.show();
    return a.exec();
}