QT4 gui programming的随书光盘

				#ifndef APPLICATION_H				#define APPLICATION_H								#include 								class TicTacToe;								class Application : public QApplication				{				    Q_OBJECT								public:				    Application(int &argc, char *argv[]);								    void setTicTacToe(TicTacToe *toe);				    void saveState(QSessionManager &sessionManager);				    void commitData(QSessionManager &sessionManager);								private:				    TicTacToe *ticTacToe;				};								#endif