import QtQuick 2.0 import QtQuick.Window 2.1 Window { width: 200 height: 200 property var winVisible: subwin1 property var winVisibility: subwin2 Rectangle { anchors.fill: parent color:"green" } Window { id: subwin1 width: 200 height: 200 visible: false Rectangle { anchors.fill: parent color:"red" } Component.onCompleted: { subwin1.visible = true } } Window { id: subwin2 width: 200 height: 200 visible: true visibility: Window.Maximized Rectangle { anchors.fill: parent color:"blue" } Component.onCompleted: { subwin2.visibility = Window.Windowed } } }