FluentUI/example/qml/window/SingleTaskWindow.qml

import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import FluentUI

FluWindow {

    id:window
    title:"SingleTask"
    width: 500
    height: 600
    fixSize: true
    launchMode: FluWindow.SingleTask

    FluText{
        anchors.centerIn: parent
        text:"我是一个SingleTask模式的窗口，如果我存在，我就激活窗口"
    }

}