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An MD5 digest of the non-URL-encoded message attribute string. This can be used to verify that Amazon SQS received the message correctly. Amazon SQS first URL decodes the message before creating the MD5 digest. For information about MD5, go to http://www.faqs.org/rfcs/rfc1321.html.
Namespace: Amazon.SQS.Model
Assembly: AWSSDK.dll
Version: 0.0.3.0
public String MD5OfMessageAttributes { get; set; }
This example shows how to receive a message.
var client = new AmazonSQSClient();
var request = new ReceiveMessageRequest
{
  AttributeNames = new List<string>() { "All" },
  MaxNumberOfMessages = 5,
  QueueUrl = "https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyTestQueue",
  VisibilityTimeout = (int)TimeSpan.FromMinutes(10).TotalSeconds,
  WaitTimeSeconds = (int)TimeSpan.FromSeconds(5).TotalSeconds
};
var response = client.ReceiveMessage(request);
if (response.Messages.Count > 0)
{
  foreach (var message in response.Messages)
  {
    Console.WriteLine("For message ID '" + message.MessageId + "':");
    Console.WriteLine("  Body: " + message.Body);
    Console.WriteLine("  Receipt handle: " + message.ReceiptHandle);
    Console.WriteLine("  MD5 of body: " + message.MD5OfBody);
    Console.WriteLine("  MD5 of message attributes: " +
      message.MD5OfMessageAttributes);
    Console.WriteLine("  Attributes:");
    foreach (var attr in message.Attributes)
    {
      Console.WriteLine("    " + attr.Key + ": " + attr.Value);
    }
  }
}
else
{
  Console.WriteLine("No messages received.");
}
      
      
.NET Framework: 
Supported in: 4.5, 4.0, 3.5
.NET for Windows Store apps: 
Supported in: Windows 8.1, Windows 8
.NET for Windows Phone: 
Supported in: Windows Phone 8.1, Windows Phone 8