/// <summary>
    /// Run the code example.
    /// </summary>
    /// <param name="user">The DFP user object running the code example.</param>
    public override void Run(DfpUser user) {
      // Get the ProductTemplateService.
      ProductTemplateService productTemplateService =
          (ProductTemplateService) user.GetService(DfpService.v201505.ProductTemplateService);

      // Create a statement to get all product templates.
      StatementBuilder statementBuilder = new StatementBuilder()
          .OrderBy("id ASC")
          .Limit(StatementBuilder.SUGGESTED_PAGE_LIMIT);

      // Sets default for page.
      ProductTemplatePage page = new ProductTemplatePage();
      try {
        do {
          // Get product templates by statement.
          page =
              productTemplateService.getProductTemplatesByStatement(statementBuilder.ToStatement());

          if (page.results != null && page.results.Length > 0) {
            int i = page.startIndex;
            foreach (ProductTemplate productTemplate in page.results) {
              Console.WriteLine("{0}) Product template with ID = '{1}' and name '{2}' was" +
                  " found.", i++, productTemplate.id, productTemplate.name);
            }
          }

          statementBuilder.IncreaseOffsetBy(StatementBuilder.SUGGESTED_PAGE_LIMIT);
        } while (statementBuilder.GetOffset() < page.totalResultSetSize);

        Console.WriteLine("Number of results found: {0}", page.totalResultSetSize);
      } catch (Exception e) {
        Console.WriteLine("Failed to get product templates. Exception says \"{0}\"",
            e.Message);
      }
    }
    /// <summary>
    /// Run the code example.
    /// </summary>
    /// <param name="user">The DFP user object running the code example.</param>
    public override void Run(DfpUser user) {
      // Get the ProductTemplateService.
      ProductTemplateService productTemplateService =
          (ProductTemplateService) user.GetService(DfpService.v201505.ProductTemplateService);

      // Set the ID of the product template to activate.
      long productTemplateId = long.Parse(_T("INSERT_PRODUCT_TEMPLATE_ID_HERE"));

      // Create statement to select a product template by ID.
      StatementBuilder statementBuilder = new StatementBuilder()
          .Where("id = :id")
          .OrderBy("id ASC")
          .Limit(StatementBuilder.SUGGESTED_PAGE_LIMIT)
          .AddValue("id", productTemplateId);

      // Set default for page.
      ProductTemplatePage page = new ProductTemplatePage();
      List<string> productTemplateIds = new List<string>();

      try {
        do {
          // Get product templates by statement.
          page = productTemplateService.getProductTemplatesByStatement(
              statementBuilder.ToStatement());

          if (page.results != null && page.results.Length > 0) {
            int i = page.startIndex;
            foreach (ProductTemplate productTemplate in page.results) {
              Console.WriteLine("{0}) Product template with ID ='{1}' will be activated.",
                  i++, productTemplate.id);
              productTemplateIds.Add(productTemplate.id.ToString());
            }
          }

          statementBuilder.IncreaseOffsetBy(StatementBuilder.SUGGESTED_PAGE_LIMIT);
        } while (statementBuilder.GetOffset() < page.totalResultSetSize);

        Console.WriteLine("Number of product templates to be activated: {0}",
            productTemplateIds.Count);

        if (productTemplateIds.Count > 0) {
          // Modify statement.
          statementBuilder.RemoveLimitAndOffset();

          // Create action.
          Google.Api.Ads.Dfp.v201505.ActivateProductTemplates action =
              new Google.Api.Ads.Dfp.v201505.ActivateProductTemplates();

          // Perform action.
          UpdateResult result = productTemplateService.performProductTemplateAction(action,
              statementBuilder.ToStatement());

          // Display results.
          if (result != null && result.numChanges > 0) {
            Console.WriteLine("Number of product templates activated: {0}", result.numChanges);
          } else {
            Console.WriteLine("No product templates were activated.");
          }
        }
      } catch (Exception ex) {
        Console.WriteLine("Failed to activate product templates. Exception says \"{0}\"",
            ex.Message);
      }
    }