/// <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 InventoryService.
      InventoryService inventoryService =
          (InventoryService) user.GetService(DfpService.v201311.InventoryService);

      // Sets defaults for page and statement.
      AdUnitPage page = new AdUnitPage();
      Statement statement = new Statement();
      int offset = 0;

      try {
        do {
          // Create a Statement to get all ad units.
          statement.query = string.Format("LIMIT 500 OFFSET {0}", offset);

          // Get ad units by Statement.
          page = inventoryService.getAdUnitsByStatement(statement);

          if (page.results != null && page.results.Length > 0) {
            int i = page.startIndex;
            foreach (AdUnit adUnit in page.results) {
              Console.WriteLine("{0}) Ad unit with ID = '{1}', name = '{2}' and status = '{3}' " +
                  "was found.", i, adUnit.id, adUnit.name, adUnit.status);
              i++;
            }
          }
          offset += 500;
        } while (offset < page.totalResultSetSize);

        Console.WriteLine("Number of results found: {0}", page.totalResultSetSize);
      } catch (Exception ex) {
        Console.WriteLine("Failed to get ad unit. Exception says \"{0}\"", ex.Message);
      }
    }
    /// <summary>
    /// Gets all ad units for this user.
    /// </summary>
    /// <param name="user">The DfpUser to get the ad units for.</param>
    /// <returns>All ad units for this user.</returns>
    private static AdUnit[] GetAllAdUnits(DfpUser user) {
      // Create list to hold all ad units.
      List<AdUnit> adUnits = new List<AdUnit>();

      // Get InventoryService.
      InventoryService inventoryService =
          (InventoryService) user.GetService(DfpService.v201311.InventoryService);

      // Sets defaults for page and Statement.
      AdUnitPage page = new AdUnitPage();
      Statement statement = new Statement();
      int offset = 0;

      do {
        // Create a Statement to get all ad units.
        statement.query = string.Format("LIMIT 500 OFFSET {0}", offset);

        // Get ad units by Statement.
        page = inventoryService.getAdUnitsByStatement(statement);

        if (page.results != null && page.results.Length > 0) {
          adUnits.AddRange(page.results);
        }
        offset += 500;
      } while (page.results != null && page.results.Length == 500);
      return adUnits.ToArray();
    }
    /// <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 InventoryService.
      InventoryService inventoryService =
          (InventoryService) user.GetService(DfpService.v201311.InventoryService);

      // Create Statement text to select active ad units.
      string statementText = "WHERE status = :status LIMIT 500";

      Statement statement = new StatementBuilder("").AddValue("status",
          InventoryStatus.ACTIVE.ToString()).ToStatement();

      // Sets defaults for page and offset.
      AdUnitPage page = new AdUnitPage();
      int offset = 0;
      List<string> adUnitIds = new List<string>();

      try {
        do {
          // Create a Statement to page through active ad units.
          statement.query = string.Format("{0} OFFSET {1}", statementText, offset);

          // Get ad units by Statement.
          page = inventoryService.getAdUnitsByStatement(statement);

          if (page.results != null && page.results.Length > 0) {
            int i = page.startIndex;
            foreach (AdUnit adUnit in page.results) {
              Console.WriteLine("{0}) Ad unit with ID ='{1}', name = {2} and status = {3} will" +
                  " be deactivated.", i, adUnit.id, adUnit.name, adUnit.status);
              adUnitIds.Add(adUnit.id);
              i++;
            }
          }

          offset += 500;
        } while (offset < page.totalResultSetSize);

        Console.WriteLine("Number of ad units to be deactivated: {0}", adUnitIds.Count);

        if (adUnitIds.Count > 0) {
          // Create action Statement.
          statement = new StatementBuilder(
              string.Format("WHERE id IN ({0})", string.Join(",", adUnitIds.ToArray()))).
              ToStatement();

          // Create action.
          DeactivateAdUnits action = new DeactivateAdUnits();

          // Perform action.
          UpdateResult result = inventoryService.performAdUnitAction(action, statement);

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