瀏覽器間互動：C-sharp-MSEdge_Chromium_Browser_automating/Browser.cs csharp 

                  //https://github.com/oscarsun72/C-sharp-MSEdge_Chromium_Browser_automating/blob/master/C-sharp-MSEdge_Chromium_Browser_automating/Browser.cs
//備份耳 20210414

using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Windows.Automation;
using System.Windows.Forms;

namespace C_sharp_MSEdge_Chromium_Browser_automating
{
    class Browser
    {
        string browsername = "chrome";
        public Browser(BrowserName browserNameFrom)
        {
            switch (browserNameFrom)
            {
                case BrowserName.Chrome:
                    break;
                case BrowserName.MsEdge:
                    browsername = "msedge";
                    break;
                case BrowserName.iExplore:
                    browsername = "iexplore";
                    break;
                default:
                    break;
            }
        }

        #region fredrikhaglund/ChromeLauncher.cs
        /*fredrikhaglund/ChromeLauncher.cs
        https://gist.github.com/fredrikhaglund/43aea7522f9e844d3e7b
         */
        private const string ChromeAppKey =
            @"\Software\Microsoft\Windows\CurrentVersion\App Paths\chrome.exe";

        private static string ChromeAppFileName
        {
            get
            {
                return (string)(Registry.GetValue("HKEY_LOCAL_MACHINE" +
                    ChromeAppKey, "", null) ??
                    Registry.GetValue("HKEY_CURRENT_USER" + ChromeAppKey,
                    "", null));
            }
        }

        public void OpenLinkChrome(string url)
        {
            string chromeAppFileName = ChromeAppFileName;
            if (string.IsNullOrEmpty(chromeAppFileName))
            {
                throw new Exception("Could not find chrome.exe!");
            }
            Process.Start(chromeAppFileName, urlRegx(url));
        }
        #endregion

        string getUrl(ControlType controlType)
        {
            string urls = "";
            try
            {
                //Process[] procsChrome = Process.GetProcessesByName("chrome");
                Process[] procsBrowser = Process.GetProcessesByName(browsername);
                if (procsBrowser.Length <= 0)
                {
                    //    MessageBox.Show("Chrome is not running");
                    MessageBox.Show(browsername + " " +
                        "is not the source running browser" + "\n" +
                        "來源流覽器");
                }
                else
                {
                    foreach (Process proc in procsBrowser)
                    {
                        // the chrome process must have a window
                        if (proc.MainWindowHandle == IntPtr.Zero)
                        {
                            continue;
                        }

                        // find the automation element
                        AutomationElement elm = AutomationElement.FromHandle
                            (proc.MainWindowHandle);
                        //AutomationElement elmUrlBar =
                        //    elm.FindFirst(TreeScope.Descendants,
                        //    new PropertyCondition(AutomationElement.NameProperty,
                        //    "Address and search bar"));
                        AutomationElementCollection elmUrlBar =
                            elm.FindAll(TreeScope.Subtree,
                            new PropertyCondition(
                                AutomationElement.ControlTypeProperty,
                                controlType));//https://social.msdn.microsoft.com/Forums/en-US/f9cb8d8a-ab6e-4551-8590-bda2c38a2994/retrieve-chrome-url-using-automation-element-in-c-application?forum=csharpgeneral
                        /*要用Edit屬性才抓得到網址列,Text也不行
                         */

                        // if it can be found, get the value from the URL bar
                        if (elmUrlBar != null)
                        {
                            int i = 0;int cnt = elmUrlBar.Count;
nx:                          foreach (AutomationElement Elm in elmUrlBar)
                            {
                                try
                                {
                                    i++;if (i > cnt)break;
                                    string vp = ((ValuePattern)Elm.
                                    GetCurrentPattern(ValuePattern.Pattern)).
                                    Current.Value as string;
                                    if (urls.IndexOf(vp)==-1)
                                    urls += (vp + " ");
                                }
                                catch (Exception)
                                {
                                    goto nx;
                                    //throw;
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                //textBox2.Text = ex.ToString();
                MessageBox.Show(ex.ToString());                
            }
            return urls;
        }

        private string whatWebsite(string urls)
        {
            List<string> gettextboxSiteList = new List<string> { "http://dict.revised.moe.edu.tw/" };
            foreach (string website in gettextboxSiteList)
            {
                if (urls.IndexOf(website) > -1)
                {
                    return getUrl(ControlType.Edit) +" " + Clipboard.GetText();
                    //視窗若是最小化，則也是抓不到的
                    /* 完全抓不到《國語辭典》下方的網頁網址方塊。或許與轉成文字那行程式碼有關
                     * 目前只能先用Edit了，若不行再先手動複製，由程式碼讀書剪貼簿者（如上一行）……感恩感恩　南無阿彌陀佛 20210414
                     * 《國語辭典》以下有東西：
                     * Edit：唯此較似，但仍無效
                     * Text,Hyperlink,Image 有，但都不切實際。不是該頁面的連結
                     * 以下屬性則均無
                     * Window,Pane,Button,Calendar,CheckBox,
                     * CheckBox,Custom,DataGrid,DataItem,Document,Group,
                     * Header,HeaderItem,List,ListItem,Menu,MenuBar,MenuItem,
                     * ProgressBar,RadioButton,ScrollBar,Separator,Slider,Spinner,
                     * SplitButton,StatusBar,Tab,TabItem,Table,Thumb,TitleBar,
                     * ToolBar,ToolTip,Tree,TreeItem
                     * 網頁原始碼為：
                     * <table class="referencetable1">
                        <tr><td>
                        <span >本頁網址︰</span><input type="text" value="http://dict.revised.moe.edu.tw/cgi-bin/cbdic/gsweb.cgi?o=dcbdic&searchid=Z00000016073" size=80 onclick="select()" onkeypress="select()" readonly="" >
                        </td></tr>
                        </table>
                     * 則應是text型別沒錯啊。或者看可讀選取網頁原始碼，再取得此網址即可 20210414
                     */
                }
            }
            return urls;
        }

        //public static string[] getUrl(BrowserName browserNameFrom)
        internal string[] getUrlGo()
        {//https://www.c-sharpcorner.com/forums/how-to-all-the-urls-of-the-open-tabs-of-a-browser
            string[] msg = { "", "" };
            try
            {
                ////Process[] procsChrome = Process.GetProcessesByName("chrome");
                //Process[] procsBrowser = Process.GetProcessesByName(browsername);
                //if (procsBrowser.Length <= 0)
                //{
                //    //    MessageBox.Show("Chrome is not running");
                //    MessageBox.Show(browsername + " " +
                //        "is not the source running browser" + "\n" +
                //        "來源流覽器");
                //}
                //else
                //{
                //    string urls = "";
                //    foreach (Process proc in procsBrowser)
                //    {
                //        // the chrome process must have a window
                //        if (proc.MainWindowHandle == IntPtr.Zero)
                //        {
                //            continue;
                //        }

                //        // find the automation element
                //        AutomationElement elm = AutomationElement.FromHandle
                //            (proc.MainWindowHandle);
                //        //AutomationElement elmUrlBar =
                //        //    elm.FindFirst(TreeScope.Descendants,
                //        //    new PropertyCondition(AutomationElement.NameProperty,
                //        //    "Address and search bar"));
                //        AutomationElementCollection elmUrlBar =
                //            elm.FindAll(TreeScope.Subtree,
                //            new PropertyCondition(
                //                AutomationElement.ControlTypeProperty,
                //                ControlType.Edit));//https://social.msdn.microsoft.com/Forums/en-US/f9cb8d8a-ab6e-4551-8590-bda2c38a2994/retrieve-chrome-url-using-automation-element-in-c-application?forum=csharpgeneral
                //        /*要用Edit屬性才抓得到網址列,Text也不行
                //         */

                //        // if it can be found, get the value from the URL bar
                //        if (elmUrlBar != null)
                //        {
                //            foreach (AutomationElement Elm in elmUrlBar)
                //            {
                //                string vp = ((ValuePattern)Elm.
                //                    GetCurrentPattern(ValuePattern.Pattern)).
                //                    Current.Value as string;
                //                urls += (vp + " ");
                //            }
                //        }
                //    }

                string urls = whatWebsite(getUrl(ControlType.Edit));
                if (urls == "")
                {

                }
                else
                {
                    //textBox1.Text = urls;
                    msg[0] = urls;
                    if (urls.IndexOf("https://") > -1 ||
                        urls.IndexOf("http://") > -1)
                    {
                        //openUrlChrome(@urls);//冠不冠「@」沒差
                        OpenLinkChrome(urls);
                    }
                    else
                        //openUrlChrome(@"https://" + @urls);//冠不冠「@」沒差
                        OpenLinkChrome(@"https://" + @urls);//冠不冠「@」沒差
                }
            }
            catch (Exception ex)
            {
                //textBox2.Text = ex.ToString();
                msg[1] = ex.ToString();
            }
            return msg;
        }
        void getUrl_noWork()
        //https://stackoverflow.com/questions/18897070/getting-the-current-tabs-url-from-google-chrome-using-c-sharp
        { // there are always multiple chrome processes, so we have to loop through all of them to find the
          // process with a Window Handle and an automation element of name "Address and search bar"
            Process[] procsChrome = Process.GetProcessesByName("chrome");
            string urls = "";
            foreach (Process chrome in procsChrome)
            {
                // the chrome process must have a window
                if (chrome.MainWindowHandle == IntPtr.Zero)
                {
                    continue;
                }

                // find the automation element
                AutomationElement elm = AutomationElement.FromHandle
                    (chrome.MainWindowHandle);
                AutomationElement elmUrlBar =
                    elm.FindFirst(TreeScope.Descendants,
                    new PropertyCondition(AutomationElement.NameProperty,
                    "Address and search bar"));
                /*NameProperty 這個屬性抓不到
                 * AutomationElement.ControlTypeProperty,
                ControlType.Edit));//這個個屬性才抓得到網址列，詳 getUrl()
                */

                // if it can be found, get the value from the URL bar
                if (elmUrlBar != null)
                {
                    AutomationPattern[] patterns = elmUrlBar.GetSupportedPatterns();
                    if (patterns.Length > 0)
                    {
                        ValuePattern val =
                            (ValuePattern)elmUrlBar.GetCurrentPattern(patterns[0]);
                        //Console.WriteLine("Chrome URL found: " + val.Current.Value);
                        urls += val.Current.Value;
                    }
                }
            }

        }

        void openUrlChrome(string url)
        {//https://stackoverflow.com/questions/6305388/how-to-launch-a-google-chrome-tab-with-specific-url-using-c-sharp
         //string url = @"https://stackoverflow.com/questions/6305388/how-to-launch-a-google-chrome-tab-with-specific-url-using-c-sharp/";
         //string browserFullname = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe";
            string browserFullname = ChromeAppFileName;

            //之前可能是用到WPF所以不接受路徑中有空格，且又有存取權限的問題。這個Windows Forms應用程式則似乎都又有這樣的問題了
            //string browserFullname = @"C:\""Program Files (x86)""\Google\Chrome\Application\google_translation-ConsoleApp.exe";
            //使用空格的長檔名或路徑需要用引號括住:
            //https://docs.microsoft.com/zh-tw/troubleshoot/windows-server/deployment/filenames-with-spaces-require-quotation-mark
            //browserFullname = @"V:\softwares\PortableApps\PortableApps\GoogleChromePortable\GoogleChromePortable.exe";

            Process.Start(browserFullname, @urlRegx(url));//冠不冠「@」沒差。「"」要取代為「%22」才有效，取代為「""」也無效 20210407
                                                          //Process.Start(url);//這樣是用系統預設瀏覽器開啟
        }

        string urlRegx(string url)
        {//網址規範化-將特殊字元置換,並清除不必要之字元
            string[] replWds = { "\"", "%22" };//, "http//", "" };
            //string clearUrl = url;
            for (int i = 0; i < replWds.Length; i++)
            {
                url = url.Replace(replWds[i], replWds[++i]);
            }
            #region HTTP not HTTPs
            //List<string> webSitesHTTP = new List<string> { "dict.revised.moe.edu.tw" };
            //foreach (string websitehttp in webSitesHTTP)
            //{
            //    if (url.IndexOf(websitehttp) > -1)
            //    {
            //        url = url.Replace("https://", "http://");
            //    }

            //}
            #endregion
            return url;//url.Replace("\"", "%22");
        }

        #region MyTempRegion

        string browserFullname = getBrowserFullname(BrowserName.MsEdge);
        private static string getBrowserFullname(BrowserName browserName)
        {//https://stackoverflow.com/questions/14299382/getting-chrome-and-firefox-version-locally-c-sharp
            object path; string bFullname = "";
            switch (browserName)
            {
                case BrowserName.Chrome:
                    path = Registry.GetValue
                        (@"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\App Paths\chrome.exe", "", null);
                    if (path != null)
                        bFullname = FileVersionInfo.GetVersionInfo(path.ToString()).FileVersion;
                    else
                        bFullname = "";
                    break;
                case BrowserName.MsEdge:
                    bFullname = "";
                    break;
                default:
                    bFullname = "";
                    break;
            }
            return bFullname;

            //path = Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\firefox.exe", "", null);
            //if (path != null)
            //    Console.WriteLine("Firefox: " + FileVersionInfo.GetVersionInfo(path.ToString()).FileVersion);
        }
        #endregion
    }
}
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