public Form1() { InitializeComponent(); Thread.CurrentThread.CurrentUICulture = CultureInfo.GetCultureInfo("en-US"); //generate mydocument files FilePaths.CreateSaveDirectory(); //keyboard hotkey //alt = 1 ,ctrl = 2, shift = 4, win = 8 RegisterHotKey(this.Handle, MYACTION_HOTKEY_ID, 3, (int)Keys.D); // ctrl + alt + d // Webrowser var settings = new CefSettings(); settings.SetOffScreenRenderingBestPerformanceArgs(); Cef.Initialize(settings); chromWebBrowser.MenuHandler = new MenuHandler(); //lose focus ActiveControl = chromWebBrowser; //exit button exitButton.Click += ExitButton_Click; //notifyIcon sytemTrayNI.MouseDoubleClick += SytemTrayNI_MouseDoubleClick; sytemTrayNI.Visible = false; chromWebBrowser.LoadHtml(Properties.Resources.startup_page); //searchbox searchBox.KeyDown += SearchBox_KeyDown; this.SizeChanged += Form1_SizeChanged; }