/// <summary>
    /// Runs the code example.
    /// </summary>
    /// <param name="user">The AdWords user.</param>
    /// <param name="campaignId">The campaign ID.</param>
    public void Run(AdWordsUser user, long campaignId) {
      // Get the VideoTargetingGroupService.
      VideoTargetingGroupService videoTargetingGroupService = (VideoTargetingGroupService)
          user.GetService(AdWordsService.v201402.VideoTargetingGroupService);

      int offset = 0;

      TargetingGroupPage page = new TargetingGroupPage();

      try {
        // Create selector.
        TargetingGroupSelector selector = new TargetingGroupSelector();
        selector.campaignIds = new long[] { campaignId };

        selector.paging = new Paging();

        do {
          selector.paging.startIndex = offset;
          selector.paging.numberResults = PAGE_SIZE;

          // Get all targeting groups for this account.
          page = videoTargetingGroupService.get(selector);

          // Display the results.
          if (page != null && page.entries != null) {
            int i = offset;
            foreach (TargetingGroup targetingGroup in page.entries) {
              Console.WriteLine("{0}) Targeting group ID {1}, campaign ID {2} and name '{3}'",
             (i + 1), targetingGroup.id, targetingGroup.campaignId, targetingGroup.name);

              i++;
            }
          } else {
            Console.WriteLine("No targeting groups were found.");
          }
          offset += PAGE_SIZE;
        } while (offset < page.totalNumEntries);
        Console.WriteLine("Number of targeting groups found: {0}", page.totalNumEntries);
      } catch (Exception ex) {
        throw new System.ApplicationException("Failed to get targeting groups.", ex);
      }
    }
 public virtual TargetingGroupPage get(TargetingGroupSelector selector) {
   object[] results = this.Invoke("get", new object[] { selector });
   return ((TargetingGroupPage) (results[0]));
 }