VAGSuite.frmMain.tabdet_onSelectionChanged C# (CSharp) Method

        void tabdet_onSelectionChanged(object sender, MapViewerEx.CellSelectionChangedEventArgs e)
        {
            if (m_appSettings.SynchronizeMapviewers || m_appSettings.SynchronizeMapviewersDifferentMaps)
            {
                // andere cell geselecteerd, doe dat ook bij andere viewers met hetzelfde symbool (mapname)
                foreach (DevExpress.XtraBars.Docking.DockPanel pnl in dockManager1.Panels)
                {
                    foreach (Control c in pnl.Controls)
                    {
                        if (c is MapViewerEx)
                        {
                            if (c != sender)
                            {
                                MapViewerEx vwr = (MapViewerEx)c;
                                if (vwr.Map_name == e.Mapname || m_appSettings.SynchronizeMapviewersDifferentMaps)
                                {
                                    vwr.SelectCell(e.Rowhandle, e.Colindex);
                                    vwr.Invalidate();
                                }
                            }
                        }
                        else if (c is DevExpress.XtraBars.Docking.DockPanel)
                        {
                            DevExpress.XtraBars.Docking.DockPanel tpnl = (DevExpress.XtraBars.Docking.DockPanel)c;
                            foreach (Control c2 in tpnl.Controls)
                            {
                                if (c2 is MapViewerEx)
                                {
                                    if (c2 != sender)
                                    {
                                        MapViewerEx vwr2 = (MapViewerEx)c2;
                                        if (vwr2.Map_name == e.Mapname || m_appSettings.SynchronizeMapviewersDifferentMaps)
                                        {
                                            vwr2.SelectCell(e.Rowhandle, e.Colindex);
                                            vwr2.Invalidate();
                                        }
                                    }
                                }
                            }
                        }
                        else if (c is DevExpress.XtraBars.Docking.ControlContainer)
                        {
                            DevExpress.XtraBars.Docking.ControlContainer cntr = (DevExpress.XtraBars.Docking.ControlContainer)c;
                            foreach (Control c3 in cntr.Controls)
                            {
                                if (c3 is MapViewerEx)
                                {
                                    if (c3 != sender)
                                    {
                                        MapViewerEx vwr3 = (MapViewerEx)c3;
                                        if (vwr3.Map_name == e.Mapname || m_appSettings.SynchronizeMapviewersDifferentMaps)
                                        {
                                            vwr3.SelectCell(e.Rowhandle, e.Colindex);
                                            vwr3.Invalidate();
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }