// use this only if your api is using an unsigned certificate
System.Net.ServicePointManager.ServerCertificateValidationCallback = ((sender, certificate, chain, sslPolicyErrors) => true);

CloudFoundryClient client = new CloudFoundryClient(new Uri("https://api.domain"), new System.Threading.CancellationToken());
AuthenticationContext refreshToken = null;
CloudCredentials credentials = new CloudCredentials();
credentials.User = "user";
credentials.Password = "password";
try
{
    refreshToken = client.Login(credentials).Result;
}
catch (Exception ex)
{
    Console.WriteLine(ex.ToString());
}

PagedResponseCollection<ListAllAppsResponse> apps = client.Apps.ListAllApps().Result;
while (apps != null && apps.Properties.TotalResults != 0)
{
    foreach (var app in apps)
    {
        Console.WriteLine("Application {0}, guid {1}, state {2}", app.Name, app.EntityMetadata.Guid, app.State);
    }
    apps = apps.GetNextPage().Result;
}

Guid appGuid = new Guid("52b6b758-848b-4b8d-b3f2-83736b5fae68");            
UpdateAppRequest updateApp = new UpdateAppRequest();
updateApp.State = "STOPPED";
UpdateAppResponse response = client.Apps.UpdateApp(appGuid, updateApp).Result;
Console.WriteLine("App {0} state is {1}", response.Name, response.State);

using CloudFoundry.CloudController.V2;

Uri target = new Uri("https://api.domain");
Uri httpProxy = null;
Uri authEndpoint = new Uri("https://uaa.domain");
bool skipSsl = true;

CloudFoundryClient v3client = new CloudFoundryClient(target, new System.Threading.CancellationToken(), httpProxy, skipSsl, authEndpoint);
AuthenticationContext refreshToken = null;
CloudCredentials credentials = new CloudCredentials();
credentials.User = "user";
credentials.Password = "password";
try
{
    refreshToken = v3client.Login(credentials).Result;
}
catch (Exception ex)
{
    Console.WriteLine(ex.ToString());
}

PagedResponseCollection<ListAllAppsResponse> apps = v3client.Apps.ListAllApps().Result;
foreach (ListAllAppsResponse app in apps)
{
    Console.WriteLine(app.Name);
}

using CloudFoundry.Manifests;

Manifest manifest = ManifestDiskRepository.ReadManifest(@"path\to\manifest");
var apps = manifest.Applications();
foreach(var app in apps)
{
    Console.WriteLine("Application {0}, Memory {1}, Instances {2}", app.Name, app.Memory, app.InstanceCount);
}