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diff --git a/demo3/horizontal/hvac/app/api/Binding.qml b/demo3/horizontal/hvac/app/api/Binding.qml
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+/*
+ * Copyright (C) 2016 The Qt Company Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import QtQuick 2.6
+import QtWebSockets 1.0
+import 'MessageId.js' as MessageId
+
+WebSocket {
+	id: root
+	active: true
+
+	property string statusString: "waiting..."
+
+	property real fanSpeed: 0.0
+	property real leftTemperature: 21.0
+	property real rightTemperature: 21.0
+	property string language: "en_US"
+
+	property Connections c : Connections {
+		target: root
+		onFanSpeedChanged: {
+			var json = [MessageId.call, '9999', 'hvac/set', {'FanSpeed': fanSpeed}]
+			console.debug(JSON.stringify(json))
+			sendTextMessage(JSON.stringify(json))
+		}
+		onLeftTemperatureChanged: {
+			var json = [MessageId.call, '9999', 'hvac/set', {'LeftTemperature': leftTemperature}]
+			console.debug(JSON.stringify(json))
+			sendTextMessage(JSON.stringify(json))
+
+			var json1 = [MessageId.call, '9999', 'hvac/temp_left_zone_led', {'LeftLed': leftTemperature}]
+			console.debug(JSON.stringify(json1))
+			sendTextMessage(JSON.stringify(json1))
+		}
+		onRightTemperatureChanged: {
+			var json = [MessageId.call, '9999', 'hvac/set', {'RightTemperature': rightTemperature}]
+			console.debug(JSON.stringify(json))
+			sendTextMessage(JSON.stringify(json))
+
+			var json1 = [MessageId.call, '9999', 'hvac/temp_right_zone_led', {'RightLed': rightTemperature}]
+			console.debug(JSON.stringify(json1))
+			sendTextMessage(JSON.stringify(json1))
+		}
+		onLanguageChanged: {
+			var json = [MessageId.call, '9999', 'hvac/set', {'Language': language}]
+			console.debug(JSON.stringify(json))
+			sendTextMessage(JSON.stringify(json))
+		}
+	}
+
+	onTextMessageReceived: {
+		var json = JSON.parse(message)
+		var request = json[2].request
+		var response = json[2].response
+		console.log("HVAC Binding Message: ",message)
+		switch (json[0]) {
+		case MessageId.call:
+			break
+		case MessageId.retok:
+			root.statusString = request.status
+			break
+		case MessageId.reterr:
+			root.statusString = "Bad return value, binding probably not installed"
+			break
+		case MessageId.event:
+			if (json[1] == "hvac/language")
+				console.log("HVAC event received: ",json[2])
+				root.language = json[2].data
+				root.statusString = "Language changed to "+language
+			break
+		}
+	}
+	onStatusChanged: {
+		switch (status) {
+		case WebSocket.Error:
+			root.statusString = "WebSocket error: " + root.errorString
+			break
+		}
+	}
+}