C#实现读取ini配置文件的内容

[section]
name=aline
age=18

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Runtime.InteropServices;
 
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        #region API函数声明
        [DllImport("kernel32")]//返回取得字符串缓冲区的长度
        private static extern long GetPrivateProfileString(string section, string key,
            string def, StringBuilder retVal, int size, string filePath);
 
        #endregion
 
        #region 读Ini文件
 
        public static string ReadIniData(string Section, string Key, string NoText, string iniFilePath)
        {
            if (File.Exists(iniFilePath))
            {
                StringBuilder temp = new StringBuilder(1024);
                GetPrivateProfileString(Section, Key, NoText, temp, 1024, iniFilePath);
                return temp.ToString();
            }
            else
            {
                return String.Empty;
            }
        }
 
        #endregion
 
        // 读取ini文件 按钮
        private void button1_Click(object sender, EventArgs e)
        {
 
            //配置文件路径
            string iniFilePath = Directory.GetCurrentDirectory() + "\\app.ini";
 
            //MessageBox.Show(iniFilePath);
            string Section = "section";
            string Key = "name";
            string NoText = "NoText";
 
           string res = ReadIniData(Section, Key, NoText, iniFilePath);
 
           MessageBox.Show(res);
 
        }
    }
}