void CloseSession(
	QDSDocumentSession session
)

Sub CloseSession ( 
	session As QDSDocumentSession
)

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

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

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

             ServiceInfo serviceInfo = apiClient.GetServices(ServiceTypes.QlikViewDistributionService).FirstOrDefault();
             if (serviceInfo != null)
             {
                 QDSDocumentSessionConfiguration sessionConfig = new QDSDocumentSessionConfiguration();

                 sessionConfig.QDSID = serviceInfo.ID;
                 sessionConfig.FilePath = @"C:\ProgramData\QlikTech\SourceDocuments\Test.qvw";

                 QDSDocumentSession documentSession = apiClient.CreateSession(sessionConfig);

                 if(documentSession != null && documentSession.OpenDocumentResult == DocumentState.OpenedSuccessfully)
                 {
                     //...Do some work...
                     apiClient.CloseSession(documentSession);
                 } else
                 {
                     Console.WriteLine("Failed to open the document.");
                 }        
             }
         }
         catch (Exception ex)
         {
             Console.WriteLine("An exception occurred: " + ex.Message);
         }
         // wait for user to press any key
         Console.ReadLine();
     }
 }