enable_cors.cs

        public static void SetWildcardCorsOnBlobService(this CloudStorageAccount storageAccount)
        {
            storageAccount.SetCORSPropertiesOnBlobService(cors =>
            {
                var wildcardRule = new CorsRule() { AllowedMethods = CorsHttpMethods.Get, AllowedOrigins = { "*" } };
                cors.CorsRules.Clear();
                cors.CorsRules.Add(wildcardRule);
                return cors;
            });
        }