addSlider2       1136 modules/highgui/src/window_QT.cpp void GuiReceiver::addSlider2(QString bar_name, QString window_name, void* value, int count, void* on_change, void *userdata)
addSlider2       1830 modules/highgui/src/window_QT.cpp void CvWindow::addSlider2(CvWindow* w, QString name, int* value, int count, CvTrackbarCallback2 on_change, void* userdata)