#include <QtGui/qerrormessage.h> #ifndef QERRORMESSAGE_H #ifndef QT_NO_ERRORMESSAGE class QErrorMessage: public QDialog{ /* Some contents are skipped to improve readability */ private: QErrorMessage(class QErrorMessage const &); /* ... */ }; #endif // QT_NO_ERRORMESSAGE #endif // QERRORMESSAGE_H