#include "mainwindow.h"
#include "./ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    hello();
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::hello()
{
    auto btn = new QPushButton(this);

    btn->setText("Exit");

    btn->connect(btn, &QPushButton::clicked, this, &MainWindow::Exit);
}

void MainWindow::Exit()
{
    exit(0);
}