using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Net.NetworkInformation;

public class AdslReconnect
{
    //找主視窗控制代碼
    [DllImport("user32.dll")]
    private static extern
 
 IntPtr FindWindow(string lpClassName, string lpWindowName);
    //找子視窗控制代碼
    [DllImport("user32.dll", EntryPoint = "FindWindowEx")]
    private static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
    //傳送字串
    [DllImport("User32.dll"
 
, EntryPoint = "SendMessage")]
    private static extern int SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, string lParam);
    //列舉視窗
    [DllImport("user32.dll", EntryPoint = "EnumChildWindows")]
    private static extern bool EnumChildWindows(IntPtr hWndParent, EnumChildWindowsProc lpEnumFunc, int
 
 lParam);
    //獲取指定控制代碼類名
    [DllImport("user32.dll", EntryPoint = "GetClassName")]
    private static extern int GetClassName(IntPtr hwnd, StringBuilder lpClassName, int nMaxCount);

    const int WM_SETTEXT = 0x000C;//傳送文字
    const int WM_CLICK = 0x00F5;//滑鼠單擊

    delegate bool EnumChildWindowsProc(IntPtr hwnd, uint lParam);
    delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
    static IntPtr reconnection = IntPtr.Zero;//重新連線按鈕控制代碼

    ///<summary>
    /// ADSL撥號
    ///</summary>
    ///<param name="adslUserName">adsl使用者名稱</param>
    ///<param name="adslPasswd">adsl密碼</param>
    ///<returns></returns>
    public static bool DoAdsl(string adslUserName, string adslPasswd)
    {
        string username = adslUserName;
        string passwd = adslPasswd;

        //下面的這些引數都可以用Spy++查到 
        string lpszParentClass = "#32770"; //整個視窗的類名 
        string lpszParentWindow = "連線 寬頻連線"; //視窗標題 
        string lpszClass = "Edit"; //需要查詢的子視窗的類名，也就是輸入框 
        string lpszClass_Submit = "Button"; //需要查詢的Button的類名 
        string lpszName_Submit = "連線(&C)"; //需要查詢的Button的標題 

        IntPtr parentHWND = new IntPtr(0);
        //查到窗體，得到整個主視窗控制代碼 
        while (true)
        {
            parentHWND = FindWindow(lpszParentClass, lpszParentWindow);
            if (parentHWND != IntPtr.Zero)
                break;
            Thread.Sleep(100);
        }

        if (!parentHWND.Equals(IntPtr.Zero))
        {
            IntPtr childHWND = new IntPtr(0);
            childHWND = FindWindowEx(parentHWND, childHWND, lpszClass, string.Empty);//得到User Name這個子窗體             
            SendMessage(childHWND, WM_SETTEXT, IntPtr.Zero, username);//呼叫SendMessage方法設定其內容 
            childHWND = FindWindowEx(parentHWND, childHWND, lpszClass, string.Empty);//得到Password這個子窗體                
            SendMessage(childHWND, WM_SETTEXT, IntPtr.Zero, passwd);
            childHWND = FindWindowEx(parentHWND, childHWND, lpszClass_Submit, lpszName_Submit);//得到Button這個子窗體
            SendMessage(childHWND, WM_CLICK, IntPtr.Zero, "0");//觸發Click事件 

            Thread.Sleep(500);
            while (true)
            {
                if (FindWindow("#32770", "正在連線 寬頻連線...") == IntPtr.Zero)//表示連線成功
                    break;
                IntPtr errorParent = FindWindow("#32770", "連線到 寬頻連線 時出錯");
                if (errorParent != IntPtr.Zero)
                {
                    //獲取'重撥(&R)'按鈕控制代碼
                    EnumChildWindowsProc myEnumChild = new EnumChildWindowsProc(EumWinChiPro);
                    try
                    {
                        EnumChildWindows(errorParent, myEnumChild, 0);
                    }
                    catch (Exception ex)
                    {
                        throw new Exception(ex.Message + "\r\n " + ex.Source + "\r\n\r\n " + ex.StackTrace.ToString());
                    }
                    if (reconnection != IntPtr.Zero)
                        SendMessage(reconnection, WM_CLICK, (IntPtr)0, "0");
                }
                Thread.Sleep(1000);
            }
        }
        else
        {
            return false;
        }
        return true;
    }

    private static bool EumWinChiPro(IntPtr hWnd, uint lParam)
    {
        StringBuilder s = new StringBuilder(50);
        GetClassName(hWnd, s, 50);
        if (s.ToString() == "Button")
        {
            reconnection = hWnd;
            return false;
        }
        return true;
    }

    ///<summary>
    /// 斷網或開啟adsl連線視窗
    ///</summary>
    ///<param name="status">false斷網，true開啟adsl視窗</param>
    ///<returns></returns>
    //private static bool SetNetworkAdapter(bool status, string adslName)
    //{
    //    string discVerb = "斷開(&O)";
    //    string connVerb = "連線(&O)";
    //    string network = "網路連線";
    //    string networkConnection = adslName;

    //    string sVerb;

    //    if (status)
    //    {
    //        sVerb = connVerb;
    //    }
    //    else
    //    {
    //        sVerb = discVerb;
    //    }

    //    Shell32.Shell sh = new Shell32.Shell();
    //    Shell32.Folder folder;
    ////Shell32.ShellSpecialFolderConstants.ssfCONTROLS
    //    folder = sh.NameSpace(3);
    //    try
    //    {
    ////進入控制面板的所有選項  
    //        foreach (Shell32.FolderItem myItem in folder.Items())
    //        {
    ////進入網路和拔號連線  
    //            if (myItem.Name == network)
    //            {
    //                Shell32.Folder fd = (Shell32.Folder)myItem.GetFolder;
    //                foreach (Shell32.FolderItem fi in fd.Items())
    //                {
    ////找到本地連線  
    //                    if (fi.Name.IndexOf(networkConnection) > -1)
    //                    {
    ////找本地連線的所有右鍵功能選單  
    //                        foreach (Shell32.FolderItemVerb Fib in fi.Verbs())//在多執行緒中，此處會報錯
    //                        {
    //                            if (Fib.Name == sVerb)
    //                            {
    //                                Fib.DoIt();
    //                                return true;
    //                            }
    //                        }
    //                    }
    //                }
    //            }
    //        }
    //    }
    //    catch (Exception ex)
    //    {
    //        MessageBox.Show(ex.Message);
    //        return false;
    //    }
    //    return false;
    //}

    ///<summary>
    /// adsl重連
    ///</summary>
    ///<param name="adslUserName">使用者名稱</param>
    ///<param name="adslPasswd">密碼</param>
    ///<returns>true成功，false失敗</returns>
    //public static bool AdslConnection(string adslUserName, string adslPasswd, string adslName)
    //{
    //    try
    //    {
    //        SetNetworkAdapter(false, adslName);//斷開
    //        Thread.Sleep(3000);
    //        bool isSuccess = SetNetworkAdapter(true, adslName);//重連
    //        if (isSuccess)
    //        {
    //            int result = DoAdsl(adslUserName, adslPasswd);
    //            if (result == 3)
    //                return true;
    //            else
    //                return false;
    //        }
    //        else
    //        {
    //            return false;
    //        }
    //    }
    //    catch
    //    {
    //        return false;
    //    }
    //}
}