ATMLCommonLibrary.forms.ATMLOutputWindow.GetActiveBrowser C# (CSharp) Метод

        private WebBrowser GetActiveBrowser( object source )
        {
            WebBrowser activeBrowser = null;
            this.UIThreadInvoke( delegate
                                 {
                                     activeBrowser = elementHost1.Child as WebBrowser;
                                     var tab = source as string;
                                     if (string.IsNullOrEmpty( tab ))
                                     {
                                         tabControl.SelectTab( tabControl.TabPages[0] );
                                     }
                                     else
                                     {
                                         TabPage selectedPage = null;
                                         foreach (TabPage tabPage in tabControl.TabPages)
                                         {
                                             if (tabPage.Text.Equals( tab ))
                                             {
                                                 selectedPage = tabPage;
                                                 break;
                                             }
                                         }
                                         if (selectedPage == null)
                                         {
                                             selectedPage = new TabPage( tab );
                                             tabControl.TabPages.Add( selectedPage );
                                             var output = new WebBrowser();
                                             var elementHost = new ElementHost();
                                             elementHost.Dock = DockStyle.Fill;
                                             elementHost.Location = new Point( 3, 3 );
                                             elementHost.MinimumSize = new Size( 20, 20 );
                                             elementHost.Name = "output" + tabControl.TabPages.Count;
                                             elementHost.Size = new Size( 704, 155 );
                                             elementHost.TabIndex = 1;
                                             elementHost.Child = output;
                                             selectedPage.Controls.Add( elementHost );
                                         }
                                         tabControl.SelectTab( selectedPage );
                                         var host = selectedPage.Controls[0] as ElementHost;
                                         if (host != null)
                                             activeBrowser = host.Child as WebBrowser;
                                     }
                                 } );
            return activeBrowser;
        }