Event argument forwarded by a ChatRoomSession when a user enters or leaves the room.
Assembly: Microsoft.Rtc.Collaboration.GroupChat (in Microsoft.Rtc.Collaboration.GroupChat.dll)
Public Class ParticipantAttendanceChangedEventArgs _
Dim instance As ParticipantAttendanceChangedEventArgs
public class ParticipantAttendanceChangedEventArgs : EventArgs
All public static (Shared in Visual Basic) members of this type are thread-safe. Instance members are not guaranteed to be thread-safe.