public void HandleClick(Object sender, EventArgs e) { if (m_Startup.InvisibleConnectedClassroom != null) { using (Synchronizer.Lock(m_Startup.InvisibleConnectedClassroom.SyncRoot)) { m_Startup.InvisibleConnectedClassroom.Connected = false; m_Startup.InvisibleConnectedClassroom = null; } } using (Synchronizer.Lock(this.m_Classroom.SyncRoot)) { this.m_Classroom.Connected = this.Checked; if (this.Checked) { for (int i = 0; i < this.m_Startup.m_Connection.m_PresentationsPanel.Controls.Count; i++) { if (this.m_Startup.m_Connection.m_PresentationsPanel.Controls[i] is RadioButton) { using (Synchronizer.Lock(((PresentationRadioButton)(this.m_Startup.m_Connection.m_PresentationsPanel.Controls[i])).m_Classroom.SyncRoot)) { if (!(this.m_Classroom == ((PresentationRadioButton)(this.m_Startup.m_Connection.m_PresentationsPanel.Controls[i])).m_Classroom)) { ((RadioButton)(this.m_Startup.m_Connection.m_PresentationsPanel.Controls[i])).Checked = false; } else { ((RadioButton)(this.m_Startup.m_Connection.m_PresentationsPanel.Controls[i])).Checked = true; } } } } for (int i = 0; i < this.m_Startup.m_Connection.m_ManualConnectionPanel.Controls.Count; i++) { if (this.m_Startup.m_Connection.m_ManualConnectionPanel.Controls[i] is ManualConnectionPanel.ManualConnectionRadioButton) { using (Synchronizer.Lock(((ManualConnectionPanel.ManualConnectionRadioButton)(this.m_Startup.m_Connection.m_ManualConnectionPanel.Controls[i])).Classroom.SyncRoot)) { if (!(this.m_Classroom == ((ManualConnectionPanel.ManualConnectionRadioButton)(this.m_Startup.m_Connection.m_ManualConnectionPanel.Controls[i])).Classroom)) { ((RadioButton)(this.m_Startup.m_Connection.m_ManualConnectionPanel.Controls[i])).Checked = false; } else { ((RadioButton)(this.m_Startup.m_Connection.m_ManualConnectionPanel.Controls[i])).Checked = true; } } } } this.m_PresentationHelper = new UDPPresentationCollectionHelper(this, this.m_Classroom);//This will set the association of the StartJoinButton } } }