Create CloudFront Distribution from S3 Bucket. Require AWS SDK for .NET http://aws.amazon.com/sdkfornet/

CreateCloudFrontDistributionS3Bucket.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Amazon.CloudFront;
using Amazon.CloudFront.Model;
using System.Collections.Specialized;
using System.Configuration;

// Require AWS SDK for .NET http://aws.amazon.com/sdkfornet/

namespace AWS_Test
{
    class Program
    {
        static string accessKeyID = "Your AccessKey ID";
        static string secretAccessKeyID = "Your SecretAccessKey ID";
        static AmazonCloudFront cfClient = null;

        static void Main(string[] args)
        {

            using (cfClient = Amazon.AWSClientFactory.CreateAmazonCloudFrontClient(accessKeyID, secretAccessKeyID))
            {
                Console.WriteLine("Create CloudFront dictributions S3 Origin");
                CreateCloudDistributionS3Origin();

                Console.WriteLine("Create CloudFront private distribution S3 Origin");
                CreateCloudFrontPriveteContentDistributionS3Origin();

                Console.WriteLine("Finish");
            }

            Console.WriteLine("Press any key to continue...");
            Console.Read();
        }

        static void CreateCloudDistributionS3Origin()
        {
            try
            {
                CreateDistributionRequest req = new CreateDistributionRequest();

                S3Origin origin = new S3Origin();
                origin.DNSName = "S3BUCKET_DNS_NAME";

                CloudFrontDistributionConfig config = new CloudFrontDistributionConfig();
                config.S3Origin = origin;
                config.Enabled = true;

                req.WithDistributionConfig(config);

                var response = cfClient.CreateDistribution(req);
            }
            catch (AmazonCloudFrontException cfEx)
            {
                Console.WriteLine("An Error, number {0}, occurred when create cloud distribution with the message '{1}", cfEx.ErrorCode, cfEx.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine("UnknownError:{0}", ex.Message);
            }
        }

        static void CreateCloudFrontPriveteContentDistributionS3Origin()
        {
            try
            {
                CreateDistributionRequest req = new CreateDistributionRequest();

                CloudFrontOriginAccessIdentity oai = new CloudFrontOriginAccessIdentity();
                oai.Id = "ORIGIN_ACCESS_IDENTITY_ID";
                oai.S3CanonicalUserId = "S3_CANONICAL_USER_ID";

                S3Origin origin = new S3Origin();
                origin.DNSName = "S3BUCKET_DNS_NAME";
                origin.OriginAccessIdentity = oai;

                CloudFrontDistributionConfig config = new CloudFrontDistributionConfig();
                config.S3Origin = origin;
                config.Enabled = true;
                config.Comment = "Privete Content Distribution";


                req.WithDistributionConfig(config);

                var response = cfClient.CreateDistribution(req);
                CloudFrontDistribution distribution = response.Distribution;
                String xml = response.XML;
            }
            catch (AmazonCloudFrontException cfEx)
            {
                Console.WriteLine("An Error, number {0}, occurred when create cloud distribution with the message '{1}", cfEx.ErrorCode, cfEx.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine("UnknownError:{0}", ex.Message);
            }
        }

    }

}