rx-winjs/src/simpleorientationsensor.js

Library for composing asynchronous and event-based operations in JavaScript extending the Windows WinJS library

    var simpleOrientationSensor = Windows.Devices.Sensors.SimpleOrientationSensor.getDefault();

    Rx.WinJS.SimpleOrientationSensor = {
         /**
         * Creates a wrapper for the SimpleOrientationSensor which listens for the orientationchanged event.
         * @returns {Observable} An observable sequence wrapping the SimpleOrientationSensor's orientationchanged event.
         */
        orientationChanged: function (reportInterval) {
            return fromSensorEvent(simpleOrientationSensor, 'orientationchanged');
        }  
    };