public override Task OnDisconnectedAsync(Exception exception)
{
try
{
Connection con = connectionContext.Remove(Context.ConnectionId).Result;
if (con != null)
{
OnUserChangeOnlineStatus(con.UserId, false);
}
return(base.OnDisconnectedAsync(exception));
}
catch (Exception ex)
{
SendError(Context.ConnectionId, ex.Message);
return(base.OnDisconnectedAsync(exception));
}
}
