#include <QtGui/qtreewidget.h> #ifndef QTREEWIDGET_H #ifndef QT_NO_TREEWIDGET class QTreeWidgetItem{ /* Some contents are skipped to improve readability */ public: enum ItemType{ /* ... */ UserType = 1000, /* ... */ }; /* ... */ }; #endif // QT_NO_TREEWIDGET #endif // QTREEWIDGET_H