求助

w1518893

#include <QtGui/QApplication>
#include "mainwindow.h"
#include <QtGui/QWidget>
#include <QtGui/QSpinBox>
#include <QtGui/QSlider>
#include <QtGui/QHBoxLayout>
int main(int argc, char *argv[])
{   
    QApplication a(argc, argv);   
    QWidget *window = new QWidget;   
    window->setWindowTitle("Enter your age");   
    QSpinBox *spinBOX = new QSpinBox;   
    QSlider *slider = new QSlider(Qt::Horizontal);   
    spinBOX->setRange(0,130);   
    slider->setRange(0,130);   
    QObject::connect(slider, SIGNAL(valueChanged(int)), spinBox, SLOT(setValue(int)));   
    QObject::connect(spinBox, SIGNAL(valueChanged(int)), slider, SLOT(setValue(int)));   
     spinBOX->setValue(35);   
     QHBoxLayout *layout = new QHBoxLayout;   
      layout->addWidget(spinBox);   
      layout->addWidget(slider);   
      window->setLayout(layout);   
      window->show();   
      return a.exec();
}



F:\qt\buju\main.cpp:16: 错误:'spinBox' was not declared in this scope
前面不是声明了吗。为什么还是报错？求各位好心人帮忙看一下

qq897425998

  QSpinBox *spinBOX = new QSpinBox;       *pinBOX 大写的

MLTRwhy

区分大小写啊 这么不小心。。。