#include <QCoreApplication>
#include <QTimer>

class MyClass: public QObject
{
protected:
    void customEvent(QEvent *)
    { deleteLater(); }
};

int main(int argc, char **argv)
{
    QCoreApplication app(argc, argv);

    QObject *obj = new MyClass;
    QCoreApplication::sendEvent(obj, new QEvent(QEvent::User));

    app.exec();
}