BlobStorage.Advanced.CreateBlockBlobSnapshotAsync C# (CSharp) Method

        private static async Task CreateBlockBlobSnapshotAsync(CloudBlobContainer container)
        {
            // Create a new block blob in the container.
            CloudBlockBlob baseBlob = container.GetBlockBlobReference("sample-base-blob.txt");

            // Add blob metadata.
            baseBlob.Metadata.Add("ApproxBlobCreatedDate", DateTime.UtcNow.ToString());

            try
            {
                // Upload the blob to create it, with its metadata.
                await baseBlob.UploadTextAsync(string.Format("Base blob: {0}", baseBlob.Uri.ToString()));

                // Sleep 5 seconds.
                System.Threading.Thread.Sleep(5000);

                // Create a snapshot of the base blob.
                // Specify metadata at the time that the snapshot is created to specify unique metadata for the snapshot.
                // If no metadata is specified when the snapshot is created, the base blob's metadata is copied to the snapshot.
                Dictionary<string, string> metadata = new Dictionary<string, string>();
                metadata.Add("ApproxSnapshotCreatedDate", DateTime.UtcNow.ToString());
                await baseBlob.CreateSnapshotAsync(metadata, null, null, null);
            }
            catch (StorageException e)
            {
                Console.WriteLine(e.Message);
                Console.ReadLine();
                throw;
            }
        }