IEnumerable<string> GetDistributionGroups(
	Guid qdsId
)

Function GetDistributionGroups ( 
	qdsId As Guid
) As IEnumerable(Of String)

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using QMSAPI;

class Program
{
     static void Main(string[] args)
     {
         try
         {
            // create a QMS API client
            IQMS2 apiClient = new QMS2Client();

            //retrieve a time limited service key
            ServiceKeyClientMessageInspector.ServiceKey = apiClient.GetTimeLimitedServiceKey();

            //get all QDS services
            ServiceInfo[] qdsServices = apiClient.GetServices(ServiceTypes.QlikViewDistributionService);

            //get all distribution groups for the first QDS in the list
            IEnumerable<string>  groups = apiClient.GetDistributionGroups(qdsServices[0].ID);

            Console.WriteLine("There are " + groups.Count() + " distribution groups for the QDS with the ID: " + qdsServices[0].ID);
         }
         catch(Exception e)
         {
             Console.WriteLine("An error occured: " + e.Message);
         }
         // wait for user to press any key
         Console.ReadLine();
     }
}