/// <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.v201309.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]));
 }