Aliyun.OSS.Samples.ModifyObjectMetaSample.ModifyObjectMeta C# (CSharp) Метод

        public static void ModifyObjectMeta(string bucketName)
        {
            const string key = "key1";
            try
            {
                byte[] binaryData = Encoding.ASCII.GetBytes("forked from aliyun/aliyun-oss-csharp-sdk ");
                var stream = new MemoryStream(binaryData);

                client.PutObject(bucketName, key, stream);

                var oldMeta = client.GetObjectMetadata(bucketName, key);

                var newMeta = new ObjectMetadata()
                {
                    ContentType = "application/msword",
                    ExpirationTime = oldMeta.ExpirationTime,
                    ContentEncoding = null,
                    CacheControl = ""
                };

                client.ModifyObjectMeta(bucketName, key, newMeta);

                Console.WriteLine("Modify object meta succeeded");
            }
            catch (OssException ex)
            {
                Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
                    ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
            }
            catch (Exception ex)
            {
                Console.WriteLine("Failed with error info: {0}", ex.Message);
            }
        }