/// <summary>
    /// Runs the code example.
    /// </summary>
    /// <param name="user">The AdWords user.</param>
    /// <param name="adGroupId">Id of the ad group to which ads are added.
    /// </param>
    public void Run(AdWordsUser user, long adGroupId) {
      // Get the AdGroupAdService.
      AdGroupAdService service =
          (AdGroupAdService) user.GetService(AdWordsService.v201506.AdGroupAdService);

      // Create the third party redirect ad that violates a policy.
      ThirdPartyRedirectAd redirectAd = new ThirdPartyRedirectAd();
      redirectAd.name = "Policy violation demo ad " + ExampleUtilities.GetRandomString();
      redirectAd.url = "gopher://gopher.google.com";
      redirectAd.dimensions = new Dimensions();
      redirectAd.dimensions.width = 300;
      redirectAd.dimensions.height = 250;

      redirectAd.snippet = "<img src=\"https://sandbox.google.com/sandboximages/image.jpg\"/>";
      redirectAd.impressionBeaconUrl = "http://www.examples.com/beacon1";
      redirectAd.certifiedVendorFormatId = 119;
      redirectAd.isCookieTargeted = false;
      redirectAd.isUserInterestTargeted = false;
      redirectAd.isTagged = false;

      AdGroupAd redirectAdGroupAd = new AdGroupAd();
      redirectAdGroupAd.adGroupId = adGroupId;
      redirectAdGroupAd.ad = redirectAd;

      // Create the operations.
      AdGroupAdOperation redirectAdOperation = new AdGroupAdOperation();
      redirectAdOperation.@operator = Operator.ADD;
      redirectAdOperation.operand = redirectAdGroupAd;

      try {
        AdGroupAdReturnValue retVal = null;

        // Setup two arrays, one to hold the list of all operations to be
        // validated, and another to hold the list of operations that cannot be
        // fixed after validation.
        List<AdGroupAdOperation> allOperations = new List<AdGroupAdOperation>();
        List<AdGroupAdOperation> operationsToBeRemoved = new List<AdGroupAdOperation>();

        allOperations.Add(redirectAdOperation);

        try {
          // Validate the operations.
          service.RequestHeader.validateOnly = true;
          retVal = service.mutate(allOperations.ToArray());
        } catch (AdWordsApiException e) {
          ApiException innerException = e.ApiException as ApiException;
          if (innerException == null) {
            throw new Exception("Failed to retrieve ApiError. See inner exception for more " +
                "details.", e);
          }

          // Examine each ApiError received from the server.
          foreach (ApiError apiError in innerException.errors) {
            int index = ErrorUtilities.GetOperationIndex(apiError.fieldPath);
            if (index == -1) {
              // This API error is not associated with an operand, so we cannot
              // recover from this error by removing one or more operations.
              // Rethrow the exception for manual inspection.
              throw;
            }

            // Handle policy violation errors.
            if (apiError is PolicyViolationError) {
              PolicyViolationError policyError = (PolicyViolationError) apiError;

              if (policyError.isExemptable) {
                // If the policy violation error is exemptable, add an exemption
                // request.
                List<ExemptionRequest> exemptionRequests = new List<ExemptionRequest>();
                if (allOperations[index].exemptionRequests != null) {
                  exemptionRequests.AddRange(allOperations[index].exemptionRequests);
                }

                ExemptionRequest exemptionRequest = new ExemptionRequest();
                exemptionRequest.key = policyError.key;
                exemptionRequests.Add(exemptionRequest);
                allOperations[index].exemptionRequests = exemptionRequests.ToArray();
              } else {
                // Policy violation error is not exemptable, remove this
                // operation from the list of operations.
                operationsToBeRemoved.Add(allOperations[index]);
              }
            } else {
              // This is not a policy violation error, remove this operation
              // from the list of operations.
              operationsToBeRemoved.Add(allOperations[index]);
            }
          }
          // Remove all operations that aren't exemptable.
          foreach (AdGroupAdOperation operation in operationsToBeRemoved) {
            allOperations.Remove(operation);
          }
        }

        if (allOperations.Count > 0) {
          // Perform the operations exemptible of a policy violation.
          service.RequestHeader.validateOnly = false;
          retVal = service.mutate(allOperations.ToArray());

          // Display the results.
          if (retVal != null && retVal.value != null && retVal.value.Length > 0) {
            foreach (AdGroupAd newAdGroupAd in retVal.value) {
              Console.WriteLine("New ad with id = \"{0}\" and displayUrl = \"{1}\" was created.",
                  newAdGroupAd.ad.id, newAdGroupAd.ad.displayUrl);
            }
          } else {
            Console.WriteLine("No ads were created.");
          }
        } else {
          Console.WriteLine("There are no ads to create after policy violation checks.");
        }
      } catch (Exception e) {
        throw new System.ApplicationException("Failed to create ads.", e);
      }
    }
    /// <summary>
    /// Runs the code example.
    /// </summary>
    /// <param name="user">The AdWords user.</param>
    /// <param name="adGroupId">Id of the ad group to which ads are added.
    /// </param>
    public void Run(AdWordsUser user, long adGroupId) {
      // Get the AdGroupAdService.
      AdGroupAdService service =
          (AdGroupAdService) user.GetService(AdWordsService.v201506.AdGroupAdService);

      // Create the text ad.
      TextAd textAd = new TextAd();
      textAd.headline = "Luxury Cruise to Mars";
      textAd.description1 = "Visit the Red Planet in style.";
      textAd.description2 = "Low-gravity fun for everyone!!";
      textAd.displayUrl = "www.example.com";
      textAd.finalUrls = new string[] { "http://www.example.com" };

      AdGroupAd textadGroupAd = new AdGroupAd();
      textadGroupAd.adGroupId = adGroupId;
      textadGroupAd.ad = textAd;

      // Create the operations.
      AdGroupAdOperation textAdOperation = new AdGroupAdOperation();
      textAdOperation.@operator = Operator.ADD;
      textAdOperation.operand = textadGroupAd;

      try {
        AdGroupAdReturnValue retVal = null;

        // Setup two arrays, one to hold the list of all operations to be
        // validated, and another to hold the list of operations that cannot be
        // fixed after validation.
        List<AdGroupAdOperation> allOperations = new List<AdGroupAdOperation>();
        List<AdGroupAdOperation> operationsToBeRemoved = new List<AdGroupAdOperation>();

        allOperations.Add(textAdOperation);

        try {
          // Validate the operations.
          service.RequestHeader.validateOnly = true;
          retVal = service.mutate(allOperations.ToArray());
        } catch (AdWordsApiException e) {
          ApiException innerException = e.ApiException as ApiException;
          if (innerException == null) {
            throw new Exception("Failed to retrieve ApiError. See inner exception for more " +
                "details.", e);
          }

          // Examine each ApiError received from the server.
          foreach (ApiError apiError in innerException.errors) {
            int index = ErrorUtilities.GetOperationIndex(apiError.fieldPath);
            if (index == -1) {
              // This API error is not associated with an operand, so we cannot
              // recover from this error by removing one or more operations.
              // Rethrow the exception for manual inspection.
              throw;
            }

            // Handle policy violation errors.
            if (apiError is PolicyViolationError) {
              PolicyViolationError policyError = (PolicyViolationError) apiError;

              if (policyError.isExemptable) {
                // If the policy violation error is exemptable, add an exemption
                // request.
                List<ExemptionRequest> exemptionRequests = new List<ExemptionRequest>();
                if (allOperations[index].exemptionRequests != null) {
                  exemptionRequests.AddRange(allOperations[index].exemptionRequests);
                }

                ExemptionRequest exemptionRequest = new ExemptionRequest();
                exemptionRequest.key = policyError.key;
                exemptionRequests.Add(exemptionRequest);
                allOperations[index].exemptionRequests = exemptionRequests.ToArray();
              } else {
                // Policy violation error is not exemptable, remove this
                // operation from the list of operations.
                operationsToBeRemoved.Add(allOperations[index]);
              }
            } else {
              // This is not a policy violation error, remove this operation
              // from the list of operations.
              operationsToBeRemoved.Add(allOperations[index]);
            }
          }
          // Remove all operations that aren't exemptable.
          foreach (AdGroupAdOperation operation in operationsToBeRemoved) {
            allOperations.Remove(operation);
          }
        }

        if (allOperations.Count > 0) {
          // Perform the operations exemptible of a policy violation.
          service.RequestHeader.validateOnly = false;
          retVal = service.mutate(allOperations.ToArray());

          // Display the results.
          if (retVal != null && retVal.value != null && retVal.value.Length > 0) {
            foreach (AdGroupAd newAdGroupAd in retVal.value) {
              Console.WriteLine("New ad with id = \"{0}\" and displayUrl = \"{1}\" was created.",
                  newAdGroupAd.ad.id, newAdGroupAd.ad.displayUrl);
            }
          } else {
            Console.WriteLine("No ads were created.");
          }
        } else {
          Console.WriteLine("There are no ads to create after policy violation checks.");
        }
      } catch (Exception e) {
        throw new System.ApplicationException("Failed to create ads.", e);
      }
    }