OpenTween.Twitter.RefreshFollowerIds C# (CSharp) Method

        public async Task RefreshFollowerIds()
        {
            if (MyCommon._endingFlag) return;

            var cursor = -1L;
            var newFollowerIds = new HashSet<long>();
            do
            {
                var ret = await this.Api.FollowersIds(cursor)
                    .ConfigureAwait(false);

                if (ret.Ids == null)
                    throw new WebApiException("ret.ids == null");

                newFollowerIds.UnionWith(ret.Ids);
                cursor = ret.NextCursor;
            } while (cursor != 0);

            this.followerId = newFollowerIds;
            TabInformations.GetInstance().RefreshOwl(this.followerId);

            this._GetFollowerResult = true;
        }