private void EnumerateSessions() { selectedDevice = ((RenderDevice)deviceBox.SelectedItem).Device; audioSessionManager2.OnSessionCreated -= OnSessionCreated; audioSessionManager2 = selectedDevice.AudioSessionManager2; audioSessionManager2.OnSessionCreated += OnSessionCreated; audioSessionManager2.RefreshSessions(); SessionCollection sessions = audioSessionManager2.Sessions; sessionControlStackPanel.Children.Clear(); foreach (AudioSessionControl2 session in sessions) { if (session.State != AudioSessionState.AudioSessionStateExpired) { SessionUI sessionUI = new SessionUI(); sessionUI.SetSession(session); sessionControlStackPanel.Children.Add(sessionUI); } } }