QT Creator: Window Sederhana & Tombol

import QtQuick 2.6
import QtQuick.Window 2.2
import QtQuick.Controls 1.2


ApplicationWindow {

    id: applicationWindow2

    title: qsTr("Form 2")

    width: 640

    height: 480


    Button {

        id: button2

        text: qsTr("Exit")

        width: 98

        height: 63

        anchors.horizontalCenter: parent.horizontalCenter
    }

}