winform小知识

1、得到控制台或者winform程序在debug目录下生成的exe路径

建议使用：AppDomain.CurrentDomain.BaseDirectory或者Assembly.GetExecutingAssembly()，不要用Directory.GetCurrentDirectory()，因为这个可能会变！

2、winform的webBrowser如何获取完整的cookie

using System;
using System.ComponentModel;
using System.Net;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;
using System.Text;
namespace Freecms
{
    internal sealed class NativeMethods
    {
        #region enums    
        public enum ErrorFlags
        {
            ERROR_INSUFFICIENT_BUFFER = 122,
            ERROR_INVALID_PARAMETER = 87,
            ERROR_NO_MORE_ITEMS = 259
        }
        public enum InternetFlags
        {
            INTERNET_COOKIE_HTTPONLY = 8192, //Requires IE 8 or higher    
            INTERNET_COOKIE_THIRD_PARTY = 131072,
            INTERNET_FLAG_RESTRICTED_ZONE = 16
        }
        #endregion
        #region DLL Imports    
        [SuppressUnmanagedCodeSecurity, SecurityCritical, DllImport("wininet.dll", EntryPoint = "InternetGetCookieExW", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
        internal static extern bool InternetGetCookieEx([In] string Url, [In] string cookieName, [Out] StringBuilder cookieData, [In, Out] ref uint pchCookieData, uint flags, IntPtr reserved);
        #endregion
    }
    /// <SUMMARY></SUMMARY>    
    /// 取得WebBrowser的完整Cookie。    
    /// 因为默认的webBrowser1.Document.Cookie取不到HttpOnly的Cookie    
    ///     
    public class FullWebBrowserCookie
    {
        [SecurityCritical]
        public static string GetCookieInternal(Uri uri, bool throwIfNoCookie)
        {
            uint pchCookieData = 0;
            string url = UriToString(uri);
            uint flag = (uint)NativeMethods.InternetFlags.INTERNET_COOKIE_HTTPONLY;
            //Gets the size of the string builder    
            if (NativeMethods.InternetGetCookieEx(url, null, null, ref pchCookieData, flag, IntPtr.Zero))
            {
                pchCookieData++;
                StringBuilder cookieData = new StringBuilder((int)pchCookieData);
                //Read the cookie    
                if (NativeMethods.InternetGetCookieEx(url, null, cookieData, ref pchCookieData, flag, IntPtr.Zero))
                {
                    DemandWebPermission(uri);
                    return cookieData.ToString();
                }
            }
            int lastErrorCode = Marshal.GetLastWin32Error();
            if (throwIfNoCookie || (lastErrorCode != (int)NativeMethods.ErrorFlags.ERROR_NO_MORE_ITEMS))
            {
                throw new Win32Exception(lastErrorCode);
            }
            return null;
        }
        private static void DemandWebPermission(Uri uri)
        {
            string uriString = UriToString(uri);
            if (uri.IsFile)
            {
                string localPath = uri.LocalPath;
                new FileIOPermission(FileIOPermissionAccess.Read, localPath).Demand();
            }
            else
            {
                new WebPermission(NetworkAccess.Connect, uriString).Demand();
            }
        }
        private static string UriToString(Uri uri)
        {
            if (uri == null)
            {
                throw new ArgumentNullException("uri");
            }
            UriComponents components = (uri.IsAbsoluteUri ? UriComponents.AbsoluteUri : UriComponents.SerializationInfoString);
            return new StringBuilder(uri.GetComponents(components, UriFormat.SafeUnescaped), 2083).ToString();
        }
    }
}

//调用方法(webBrowser1.Url为webBrowser1控件登陆后包含cookie信息的Url)：
string cookie=Freecms.FullWebBrowserCookie.GetCookieInternal(webBrowser1.Url, false);