private void Disconnect()
{
RTPMessageSender sender = Interlocked.Exchange(ref this.m_Sender, null);
if (sender != null)
{
m_Model.Network.RegisterNetworkStatusProvider(this, false, null);
sender.Dispose();
}
// Clear out any presentations from the classroom
using (Synchronizer.Lock(this.Classroom.SyncRoot)) {
for (int i = this.Classroom.Presentations.Count - 1; i >= 0; i--)
{
this.Classroom.Presentations.Remove(this.Classroom.Presentations[i]);
}
}
}
