import QtQuick 2.9
import QtQuick.Window 2.2
import QtQuick.Controls 2.2

Window {
visible: true
width: 640
height: 480
title: qsTr("Hello World")
CheckBox {
checked: true
onClicked:

{ sceneLoader.active = checked }
}
Loader

{ 
    id: sceneLoader
    asynchronous: true
    sourceComponent: sceneComponent
    anchors.fill: parent
    anchors.topMargin: 50
}
Component {
id: sceneComponent
MainScene {
}
}
}