I tryed to run the example once again. I have gotten the error: below
// Creates a user.
Hashtable headers = new Hashtable();
headers.Add("email", "email");
headers.Add("password", "xxxxxx");
headers.Add("clientEmail", "clientemail");
headers.Add("useragent",
"AdWords API DotNet Client Library: Test");
headers.Add("developerToken", "dev_token");
headers.Add("applicationToken", "app_token");
headers.Add("version", "v12");
AdWordsUser user = new AdWordsUser(headers);
user.version = "v12";
user.useSandbox();
// Get the services.
CampaignService campaigneService =
(CampaignService)user.getService("CampaignService");
AdGroupService adgroupService =
(AdGroupService)user.getService("AdGroupService");
AdService adService =
(AdService)user.getService("AdService");
{"Das Objekt mit dem Typ com.google.api.adwords.v11.email kann nicht
in den Typ com.google.api.adwords.v12.email konvertiert werden."}
(It cannot convert from v11 to v12)
Must I use sandbox?