#include <QtGui/qtreewidget.h> #ifndef QTREEWIDGET_H #ifndef QT_NO_TREEWIDGET class QTreeWidgetItem{ /* Some contents are skipped to improve readability */ #ifndef QT_NO_DATASTREAM public: virtual void write(class QDataStream& out) const #endif /* ... */ }; #endif // QT_NO_TREEWIDGET #endif // QTREEWIDGET_H