/// <summary> /// This is the click handler for the 'GetData' button. /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private async void ScenarioGetData(object sender, RoutedEventArgs e) { sensor = await MainPage.GetDefaultAltimeterAsync(); if (null != sensor) { AltimeterReading reading = sensor.GetCurrentReading(); if (null != reading) { ScenarioOutput_M.Text = String.Format("{0,5:0.00}", reading.AltitudeChangeInMeters); } } else { rootPage.NotifyUser("No altimeter found", NotifyType.ErrorMessage); } }
/// <summary> /// This is the click handler for the 'Enable' button. /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private async void ScenarioEnable(object sender, RoutedEventArgs e) { ScenarioEnableButton.IsEnabled = false; sensor = await MainPage.GetDefaultAltimeterAsync(); if (null != sensor) { // Set a report interval that is both suitable for the purposes of the app and supported by the sensor. uint minReportIntervalMs = sensor.MinimumReportInterval; desiredReportIntervalMs = minReportIntervalMs > 1000 ? minReportIntervalMs : 1000; sensor.ReportInterval = desiredReportIntervalMs; Window.Current.VisibilityChanged += new WindowVisibilityChangedEventHandler(VisibilityChanged); sensor.ReadingChanged += new TypedEventHandler <Altimeter, AltimeterReadingChangedEventArgs>(ReadingChanged); ScenarioEnableButton.IsEnabled = false; ScenarioDisableButton.IsEnabled = true; } else { ScenarioEnableButton.IsEnabled = true; rootPage.NotifyUser("No altimeter found", NotifyType.ErrorMessage); } }