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	#include <QSpinBox>
		#include <QSlider>
			#include <QApplication>
				#include <QVBoxLayout>
				
			
/////////////////////////////////////
int main(int argc,char *argv[])
{				
			QApplication app(argc,argv);
		
		
			QSpinBox *spin_box=new QSpinBox;	
				spin_box->setMinimum(10);
				spin_box->setMaximum(100);
				spin_box->setSingleStep(5);
	
					QSlider *slider=new QSlider(Qt::Horizontal);
						slider->setRange(10,100);
						slider->setTickPosition(QSlider::TicksBelow);
						slider->setTickInterval(15);
	
	QObject::connect(slider,SIGNAL(valueChanged(int)),
					 spin_box,SLOT (setValue(int))	);
	
	QObject::connect(spin_box,SIGNAL(valueChanged(int)),
					 slider,SLOT (setValue(int))	);
	
	
	
	
	
	QWidget main_window;
	QVBoxLayout *main_layout=new QVBoxLayout(&main_window);	
			main_layout->addWidget(spin_box);
			main_layout->addWidget(slider);
		main_window.show();		
		
return app.exec();
}