public Flug FindFlight(string flugNummer)
{
    Flug flug = […] // Flug laden
    string etag = flug.Version.ToString();
    WebOperationContext.Current.IncomingRequest.CheckConditionalRetrieve(etag);
    WebOperationContext.Current.OutgoingResponse.SetETag(etag);
    return flug;
}

[…]
private static string lastETag = null;

private static void FindFlight()
{
    WebRequest request; 
    WebResponse response = null;

    request = WebRequest.Create("http://localhost:4924/FlugService.svc/flight/LH0815");

    if (!string.IsNullOrEmpty(lastETag))
    {
        request.Headers["If-None-Match"] = lastETag;
    }

    try
    {
            response = request.GetResponse();
    }
    catch (WebException e)
    {
        HttpWebResponse r = e.Response as HttpWebResponse;
        if (r.StatusCode == HttpStatusCode.NotModified)
        {
            Console.WriteLine("Keine Änderung!");
        }
        else
        {
            Console.WriteLine(e.Message);
        }
        return;
    }
            
    lastETag = response.Headers["ETag"];

    DataContractSerializer s = new DataContractSerializer(typeof(Flug));
    Flug f = (Flug)s.ReadObject(response.GetResponseStream());

    Console.WriteLine(f.FulgNummer + ", Version: " + f.Version);
}

public static void RegisterRoutes(RouteCollection routes)
{
    routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

    WebServiceHostFactory factory = new WebServiceHostFactory();
    routes.Add(new ServiceRoute("FlugService", factory, typeof(FlugService.FlugService)));

    routes.MapRoute(
        "Default", // Route name
        "{controller}/{action}/{id}", // URL with parameters
        new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults
    );
}

const string source = @”c:\temp\someTextFile.txt”;
ObjectCache cache = MemoryCache.Default;
string fileContents = cache[”someText”] as string;

if (fileContents == null)
{
Console.WriteLine(„Element war nicht (mehr) im Cache!“);
CacheItemPolicy policy = new CacheItemPolicy();
policy.SlidingExpiration = TimeSpan.FromSeconds(50);

List<string> filePaths = new List<string>();
filePaths.Add(source);
policy.ChangeMonitors.Add(new HostFileChangeMonitor(filePaths));

fileContents = File.ReadAllText(source);
cache.Set(“someText”, fileContents, policy);
}
Console.WriteLine(fileContents);

private static MemoryCache cache;
private static void CacheDemo2()
{
const string source = @”c:\temp\someTextFile.txt”;
if (cache == null) cache = new MemoryCache(“MyCache”);
string fileContents = cache[”someText”] as string;
if (fileContents == null)
    {
Console.WriteLine(„Element war nicht (mehr) im Cache!“);
CacheItemPolicy policy = new CacheItemPolicy();
List<string> filePaths = new List<string>();
filePaths.Add(source);
policy.ChangeMonitors.Add(new HostFileChangeMonitor(filePaths));
policy.SlidingExpiration = TimeSpan.FromSeconds(50);

fileContents = File.ReadAllText(source);
cache.Set(“someText”, fileContents, policy);
    }

Console.WriteLine(fileContents);
}

<system.runtime.caching>
<memoryCache>
<namedCaches>
<add name=”MyCache”
cacheMemoryLimitMegabytes=”10”
physicalMemoryLimitPercentage=”15”
pollingInterval=”00:01:00” />
</namedCaches>
</memoryCache>
</system.runtime.caching>

GeoCoordinateWatcher watcher = new GeoCoordinateWatcher(GeoPositionAccuracy.Default);
bool started = watcher.TryStart(false, TimeSpan.FromMilliseconds(1000));

if (!started) Console.WriteLine("GeoCoordinateWatcher timed out on start.");

CivicAddressResolver resolver = new CivicAddressResolver();

if (!watcher.Position.Location.IsUnknown)
{
    CivicAddress address = resolver.ResolveAddress(watcher.Position.Location);

    if (!address.IsUnknown)
    {
        Console.WriteLine("Country: {0}, Zip: {1}, City: {2}",
                address.CountryRegion,
                address.PostalCode,
                address.City);
    }
}