public TelemetryEventContext(Guid applicationId, Guid deviceId, [CanBeNull] string appVersion, [CanBeNull] ILogger logger) { if (string.IsNullOrWhiteSpace(appVersion)) { throw new ArgumentNullException(nameof(appVersion)); } if (logger == null) { throw new ArgumentNullException(nameof(logger)); } _logger = logger; ApplicationID = applicationId; DeviceId = deviceId; AppVersion = appVersion; OperatingSystem = Environment.OSVersion.ToString(); Language = AnalyticsHelper.GetCurrentUICulture(this._logger); ScreenWidth = AnalyticsHelper.GetScreenWidth(); ScreenHeight = AnalyticsHelper.GetScreenHeight(); }