[DllImport("kernel32.dll")]使用

C#中读取ini配置文件 [DllImport("kernel32.dll")]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;

namespace ConsoleApplication1
{
    class Program
    {
        /// <summary>
        /// 保存配置文件
        /// </summary>
        /// <param name="strAppName">配置节点名称</param>
        /// <param name="strKeyName">配置名</param>
        /// <param name="strString">配置值</param>         /// <param name="strFileName">配置文件名</param>
        /// <returns></returns>
        [DllImport("kernel32.dll")]
        public static extern bool WritePrivateProfileString(string strAppName,
            string strKeyName,
            string strDefault,
            string strFileName);
        /// <summary>
        /// 读取配置文件值
        /// </summary>
        /// <param name="strAppName">配置节点名称</param>
        /// <param name="strKeyName">配置名</param>
        /// <param name="strDefault">返回的默认值</param>
        /// <param name="sbReturnString">返回StringBuilder Cache对象</param>
        /// <param name="nSize">缓冲区大小</param>
        /// <param name="strFileName">配置文件名</param>
        /// <returns></returns>
        [DllImport("kernel32.dll")]
        public static extern bool GetPrivateProfileString(string strAppName,
            string strKeyName,
            string strDefault,
            StringBuilder sbReturnString,
            int nSize,
            string strFileName);
        /// <summary>
        /// 读取配置文件中的指定配置节点，并返回整型值
        /// </summary>
        /// <param name="strAppName">配置节点名称</param>
        /// <param name="strKeyName">配置名</param>
        /// <param name="nDefault">返回的默认值</param>
        /// <param name="strFileName">配置文件名</param>
        /// <returns></returns>
        [DllImport("Kernel32.dll")]
        public static extern int GetPrivateProfileInt(string strAppName,
            string strKeyName,
            int nDefault,
            string strFileName);
        static void Main(string[] args)
        {
            string strAppPath = "";
            string[] stringList = {"1234","b","c","d"};
            foreach(string str in stringList)
            {
                Console.WriteLine(str);
            }
            WritePrivateProfileString("Settings", "Url", "http://dayrl.cnblogs.com%22,%22c//config.ini");

　　        WritePrivateProfileString("Settings", "Time", "37","c:\config.ini");
            StringBuilder sb = new StringBuilder(256);
            GetPrivateProfileString("Settings", "Url", "http://", sb, 256,"c:\config.ini");

            Console.WriteLine(sb);
            GetPrivateProfileString("Settings", "Time", "10", sb, 256,"c:\config.ini");
            Console.WriteLine(sb);
            int nReturnFromProFile = GetPrivateProfileInt("Settings", "Time", 0, "c:\config.INI");
            Console.WriteLine(nReturnFromProFile);
            Console.ReadLine();
        }
    }
}