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#include <QtCore/QCoreApplication>

#include <QtCore/QDebug>

#include <QtCore/QStringList>

#include <QtDBus/QtDBus>

void method1()

{

    qDebug() << "Method 1:";

    QDBusReply<QStringList> reply = QDBusConnection::sessionBus().interface()->registeredServiceNames();

    if (!reply.isValid()) {

        qDebug() << "Error:" << reply.error().message();

        exit(1);

    }

    foreach (QString name, reply.value())

        qDebug() << name;

}

void method2()

{

    qDebug() << "Method 2:";

    QDBusConnection bus = QDBusConnection::sessionBus();

    QDBusInterface dbus_iface("org.freedesktop.DBus", "/org/freedesktop/DBus",

                              "org.freedesktop.DBus", bus);

    qDebug() << dbus_iface.call("ListNames").arguments().at(0);

}

void method3()

{

    qDebug() << "Method 3:";

    qDebug() << QDBusConnection::sessionBus().interface()->registeredServiceNames().value();

}

int main(int argc, char **argv)

{

    QCoreApplication app(argc, argv);

    if (!QDBusConnection::sessionBus().isConnected()) {

        fprintf(stderr, "Cannot connect to the D-Bus session bus.\n"

                "To start it, run:\n"

                "\teval `dbus-launch --auto-syntax`\n");

        return 1;

    }

    method1();

    method2();

    method3();

    return 0;

}