... Qt tutorial 5 ** ****************************************************************/ # include qapplication.h # include qpushbutton.h # include qscrollbar.h # include qlcdnumber.h # include qfont.h class MyWidget : public QWidget { public: MyWidget ( QWidget *parent=0, const char *name=0 ); protected: void resizeEvent( QResizeEvent * ); private: QPushButton * quit ; QScrollBar * sBar ; QLCDNumber * ... QScrollBar is a classical window system scroll bar. ...