7_5.cpp

一个qt设计的教程

#include <qapplication.h>
#include <qwidget.h>
#include <qslider.h>

class MyMainWindow:public QWidget
{
 public:
    MyMainWindow();
 private:
    QSlider *slider;
};

MyMainWindow::MyMainWindow()
{
 setGeometry(100,100,150,50);
 
 slider = new QSlider(0,100,10,50,Horizontal,this);
 slider->setGeometry(10,15,130,20);
 slider->setTickmarks(QSlider::Below);
}

main(int argc,char **argv)
{
 QApplication a(argc,argv);
 MyMainWindow w;

 a.setMainWidget(&w);
 w.show();
 a.exec();
}