public MicrosoftAppCredentials(string appId = null, string password = null) { MicrosoftAppId = appId ?? SettingsUtils.GetAppSettings(MicrosoftAppIdKey); MicrosoftAppPassword = password ?? SettingsUtils.GetAppSettings(MicrosoftAppPasswordKey); #if NET45 if (appId == null) { MicrosoftAppId = ConfigurationManager.AppSettings[MicrosoftAppIdKey] ?? Environment.GetEnvironmentVariable(MicrosoftAppIdKey, EnvironmentVariableTarget.Process); } if (password == null) { MicrosoftAppPassword = ConfigurationManager.AppSettings[MicrosoftAppPasswordKey] ?? Environment.GetEnvironmentVariable(MicrosoftAppPasswordKey, EnvironmentVariableTarget.Process); } #endif TokenCacheKey = $"{MicrosoftAppId}-cache"; }