Qt designer + visual studio2008 как их совместить

QObject::connect(ui->pushbuton, SIGNAL(clicked()), this, SLOT(editlabel()));

void Class::editlable()
{
     ui->label->setText("Hello World");
}

#ifndef LEARN_H
#define LEARN_H
 
#include <QtGui/QMainWindow>
#include "ui_learn.h"
 
class learn : public QMainWindow
{
    Q_OBJECT
 
public:
    learn(QWidget *parent = 0, Qt::WFlags flags = 0);
    ~learn();
 
private:
    Ui::learnClass *ui;
public slots:
    void editlabel();
};
 
#endif // LEARN_H

#include "learn.h"
 
learn::learn(QWidget *parent, Qt::WFlags flags)
    : QMainWindow(parent, flags)
{
 
    QObject::connect(ui->pushButton,SIGNAL(clicked()),this,SLOT(editlabel()));
    ui->setupUi(this);
}
 
learn::~learn()
{
}
void learn::editlabel()
{
    ui->label->setText("Hellow");
}

#include "learn.h"
#include <QtGui/QApplication>
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    learn w;
    w.show();
    return a.exec();
}

learn::learn(QWidget *parent, Qt::WFlags flags): QMainWindow(parent, flags), ui(new Ui::learn)

 Ui::learnClass *ui;

Ui::learn *ui

/********************************************************************************
** Form generated from reading UI file 'learn.ui'
**
** Created: Sun Dec 4 15:15:28 2011
**      by: Qt User Interface Compiler version 4.7.4
**
** WARNING! All changes made in this file will be lost when recompiling UI file!
********************************************************************************/
 
#ifndef UI_LEARN_H
#define UI_LEARN_H
 
#include <QtCore/QVariant>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QButtonGroup>
#include <QtGui/QHeaderView>
#include <QtGui/QLabel>
#include <QtGui/QLineEdit>
#include <QtGui/QMainWindow>
#include <QtGui/QPushButton>
#include <QtGui/QToolBar>
#include <QtGui/QWidget>
 
QT_BEGIN_NAMESPACE
 
class Ui_learnClass
{
public:
    QWidget *centralWidget;
    QPushButton *pushButton;
    QLabel *label;
    QLineEdit *lineEdit;
    QToolBar *mainToolBar;
 
    void setupUi(QMainWindow *learnClass)
    {
        if (learnClass->objectName().isEmpty())
            learnClass->setObjectName(QString::fromUtf8("learnClass"));
        learnClass->resize(148, 122);
        centralWidget = new QWidget(learnClass);
        centralWidget->setObjectName(QString::fromUtf8("centralWidget"));
        pushButton = new QPushButton(centralWidget);
        pushButton->setObjectName(QString::fromUtf8("pushButton"));
        pushButton->setGeometry(QRect(40, 20, 75, 23));
        label = new QLabel(centralWidget);
        label->setObjectName(QString::fromUtf8("label"));
        label->setGeometry(QRect(50, 50, 46, 13));
        lineEdit = new QLineEdit(centralWidget);
        lineEdit->setObjectName(QString::fromUtf8("lineEdit"));
        lineEdit->setGeometry(QRect(20, 70, 113, 20));
        learnClass->setCentralWidget(centralWidget);
        mainToolBar = new QToolBar(learnClass);
        mainToolBar->setObjectName(QString::fromUtf8("mainToolBar"));
        learnClass->addToolBar(Qt::TopToolBarArea, mainToolBar);
 
        retranslateUi(learnClass);
        QObject::connect(pushButton, SIGNAL(clicked()), lineEdit, SLOT(clear()));
 
        QMetaObject::connectSlotsByName(learnClass);
    } // setupUi
 
    void retranslateUi(QMainWindow *learnClass)
    {
        learnClass->setWindowTitle(QApplication::translate("learnClass", "learn", 0, QApplication::UnicodeUTF8));
        pushButton->setText(QApplication::translate("learnClass", "PushButton", 0, QApplication::UnicodeUTF8));
        label->setText(QApplication::translate("learnClass", "TextLabel", 0, QApplication::UnicodeUTF8));
    } // retranslateUi
 
};
 
namespace Ui {
    class learnClass: public Ui_learnClass {};
} // namespace Ui
 
QT_END_NAMESPACE
 
#endif // UI_LEARN_H