private IList<photo_tag> GetTags(List<string> pids, bool isAsync, GetTagsCallback callback, Object state)
{
var parameterList = new Dictionary<string, string> {{"method", "facebook.photos.getTags"}};
Utilities.AddList(parameterList, "pids", pids);
if (isAsync)
{
SendRequestAsync<photos_getTags_response, IList<photo_tag>>(parameterList, new FacebookCallCompleted<IList<photo_tag>>(callback), state, "photo_tag");
return null;
}
var response = SendRequest<photos_getTags_response>(parameterList);
return response == null ? null : response.photo_tag;
}
/// <summary>
/// Returns the set of user tags on all photos specified.
/// </summary>
/// <example>
/// <code>
/// private static void RunDemoAsync()
/// {
/// Api api = new Api(new DesktopSession(Constants.ApplicationKey, Constants.ApplicationSecret, Constants.ApplicationSecret, Constants.SessionKey));
/// api.Photos.GetTagsAsync(new List<string> {Constants.PhotoId}, AsyncDemoCompleted, null);
/// }
///
/// private static void AsyncDemoCompleted(IList<photo_tag> result, Object state, FacebookException e)
/// {
/// var actual = result;
/// }
/// </code>
/// </example>
/// <param name="pids">The list of photos from which to extract photo tags.</param>
/// <param name="callback">The AsyncCallback delegate</param>
/// <param name="state">An object containing state information for this asynchronous request</param>
/// <returns>If no photo tags are found, the method will return an empty photos_getTags_response element. Text tags not corresponding to a user are not currently returned. Some tags may be text-only and will have an empty subect element. This occurs in the case where a user did not specifically tag another account, but just supplied text information.</returns>
/// <remarks> A tag of a user will be visible to an application only if that user has not turned off access to the Facebook Platform.</remarks>
public void GetTagsAsync(List<string> pids, GetTagsCallback callback, Object state)
{
GetTags(pids, true, callback, state);
}
