QgsSettings settings; settings.beginGroup("MyPlugin"); settings.setValue("option1", true); settings.setValue("option2", 3.14159); settings.endGroup();
QgsSettings settings; settings.beginGroup("ProjectSettings"); QString lastPath = settings.value("lastPath", QDir::homePath()).toString(); int lastFilter = settings.value("lastFilter", 0).toInt(); settings.endGroup();The QgsSettings class is part of the core QGIS library and can be found in the "qgis_core" package.