Qt5.15.2 compatible

example/qml-Qt6/window/SingleTaskWindow.qml

@@ -0,0 +1,21 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import FluentUI
+import "qrc:///example/qml/component"
+
+CustomWindow {
+
+    id:window
+    title:"SingleTask"
+    width: 500
+    height: 600
+    fixSize: true
+    launchMode: FluWindowType.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"
+    }
+
+}