Raised when a participant joins the chat room. For best results, register for this event before invoking BeginJoin(ChatRoomSummary, AsyncCallback, Object) on the session.

Namespace:  Microsoft.Rtc.Collaboration.GroupChat
Assembly:  Microsoft.Rtc.Collaboration.GroupChat(in Microsoft.Rtc.Collaboration.GroupChat.dll)

Syntax

Visual Basic (Declaration) 
Public Event 
ParticipantAttendanceChanged 
As 
EventHandler(
Of 

ParticipantAttendanceChangedEventArgs)
Visual Basic (Usage) 
Dim 
instance 
As 

ChatRoomSession
Dim 
handler 
As 
EventHandler(
Of 

ParticipantAttendanceChangedEventArgs)

AddHandler instance.
ParticipantAttendanceChanged, 
handler
C# 
public event 
EventHandler<

ParticipantAttendanceChangedEventArgs> 
ParticipantAttendanceChanged

See Also