gistfile1.xml

using System.IO;
using Microsoft.WindowsAzure;
using Microsoft.WindowsAzure.StorageClient;

namespace WcfServiceExample
{
    public class Service1 : IService1
    {
        string storageConnectionString =
        "DefaultEndpointsProtocol=https;AccountName=accountName;" +
        "AccountKey=key";

        public bool SavePicture(byte[] picture, string pictureName)
        {
            CloudStorageAccount storageAccount =
            CloudStorageAccount.Parse(storageConnectionString);
            CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
            // Retrieve a reference to a container 
            CloudBlobContainer container =
                blobClient.GetContainerReference("pictures");
            container.CreateIfNotExist();
            // Retrieve reference to a blob named "myblob"
            CloudBlob blob = container.GetBlobReference(pictureName);
            // Create or overwrite the blob with content
            var ms = new MemoryStream(picture);
            blob.UploadFromStream(ms);
            return true;
        }

        public byte[] RetrievePicture(string pictureName)
        {
            CloudStorageAccount storageAccount =
            CloudStorageAccount.Parse(storageConnectionString);
            CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
            // Retrieve a reference to a container 
            CloudBlobContainer container =
                blobClient.GetContainerReference("pictures");
            container.CreateIfNotExist();
            // Retrieve reference to a blob named "myblob"
            CloudBlob blob = container.GetBlobReference(pictureName);
            // Create or overwrite the blob with content
            
           
            return ReadFully(blob.OpenRead());
        }
        public static byte[] ReadFully(Stream input)
        {
            byte[] buffer = new byte[16 * 1024];
            using (MemoryStream ms = new MemoryStream())
            {
                int read;
                while ((read = input.Read(buffer, 0, buffer.Length)) > 0)
                {
                    ms.Write(buffer, 0, read);
                }
                return ms.ToArray();
            }
        }
    }
}