QSettings::setPath(QSettings::IniFormat, QSettings::SystemScope, "/usr/share/myapp/config");
QSettings::setPath(QSettings::IniFormat, QSettings::UserScope, "C:/myapp/config");In both of these examples, the insertSearchPath function is being used behind the scenes to add the path to the search path list. Determining the package library in use would depend on the specific project and configuration being used. Typically, the Qt libraries are linked dynamically and installed with the project, so it might be necessary to check the configuration files to determine which package libraries are being used.