private void addUser()
{
bool restart = STREAM.StreamState == StreamState.Running;
if (restart)
{
STREAM.StopStream();
}
if (STREAM.ContainsFollow(UserId))
{
STREAM.FollowingUserIds[UserId] += x => TweetReceived(x);
}
else
{
STREAM.AddFollow(UserId, x => TweetReceived(x));
}
if (restart && STREAM.FollowingUserIds.Count == 1)
{
STREAM.StartStreamMatchingAllConditionsAsync();
}
}