DescribeRegions() private method

private DescribeRegions ( ) : DescribeRegionsResponse
return DescribeRegionsResponse
		public static List<string> getEC2Regions(this API_AmazonEC2 amazonEC2)
		{
			var ec2Client = new AmazonEC2Client(amazonEC2.ApiKey.UserName, amazonEC2.ApiKey.Password); 
			return (from region in  ec2Client.DescribeRegions(new DescribeRegionsRequest())
		 		      			 			.DescribeRegionsResult.Region
					select region.RegionName).toList();
		}
        /// <summary>
        /// Auto Scaling Console load event handler
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ConsoleView_Loaded(object sender, RoutedEventArgs e)
        {
            try
            {
                AmazonEC2Client ec2Client = new AmazonEC2Client();
                DescribeRegionsRequest rreq = new DescribeRegionsRequest();
                DescribeRegionsResponse rresp = ec2Client.DescribeRegions(rreq);
                ((ViewModel)this.DataContext).Regions.Clear();
                foreach (Region r in rresp.DescribeRegionsResult.Region)
                {
                    ((ViewModel)this.DataContext).Regions.Add(new Models.Region(r.RegionName));
                }

                ((ViewModel)this.DataContext).Region = ((ViewModel)this.DataContext).Regions.Where(o => o.Name.ToLower() == "us-east-1").FirstOrDefault();

                AmazonAutoScalingClient client = GetAutoScaleClient();
                if (client == null)
                {
                    MessageBoxResult mbr = MessageBox.Show(Window.GetWindow(this), "AWS Credentials and region must be defined in app.config file.");
                    Application.Current.Shutdown();
                }

            }
            catch (Exception ex)
            {
                LogManager.LogEntry(ex.Message);
                LogManager.LogEntry(ex.StackTrace);
                ((ViewModel)this.DataContext).IsBusy = false;
                MessageBox.Show(Window.GetWindow(this), "Error occured while setting credentials. Please ensure your credentials are correct in app.config.", "Error", MessageBoxButton.OK);
                Application.Current.Shutdown();
            }
        }