Gets a copy of the collection of currently active ChatRoomSession instances. Only those sessions which have successfully joined a chat room are included in the collection of . This property returns copy of the endpoint's collection. To access a single active ChatRoomSession by name, without incurring this overhead, use the indexer (see (Item[String]).
Assembly: Microsoft.Rtc.Collaboration.PersistentChat (in Microsoft.Rtc.Collaboration.PersistentChat.dll)