VP1ExpertSettings Node1 VP1ExpertSettings - m_pluginPath - m_fileSelectDir - m_screenshotDir - m_authLog - m_buttonBox - m_tabWidget - m_okButton + VP1ExpertSettings() + setPluginPath() + setFileSelectDir() + setScreenshotDir() + setAuthLog() - checkBoxState() - closeEvent() - keyPressEvent() - setExpertSetting() Node2 QDialog Node2->Node1