“无休止”TakeWhile，BufferWhile和SkipWhile RX.Net序列

I was wondering whether there is a way to take an observable stream and use the *While operators, particularly TakeWhile, SkipWhile and BufferWhile, so that subscribers to them do not receive an .OnComplete when the bool 'while' condition is fullfilled?I was wondering whether there is a way to take