<strong><span style="font-size:18px;">(1)INI文件的名称：FileConfig.ini</span></strong>

<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size:14px;"><strong>(2)实现代码</strong></span></span>

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Data.SqlClient;

using System.Runtime.InteropServices;   //加上两个引用

using System.IO;

namespace AboutIni {

    public partial class INI : Form {

        public INI() {

            InitializeComponent();

        }

        #region "声明变量"

        /// <summary>

        /// 写入INI文件

        /// </summary>

        /// <param name="section">节点名称[如[TypeName]]</param>

        /// <param name="key">键</param>

        /// <param name="val">值</param>

        /// <param name="filepath">文件路径</param>

        /// <returns></returns>

        [DllImport("kernel32")]

        private static extern long WritePrivateProfileString(string section, string key, string val, string filepath);

        /// <summary>

        /// 读取INI文件

        /// </summary>

        /// <param name="section">节点名称</param>

        /// <param name="key">键</param>

        /// <param name="def">值</param>

        /// <param name="retval">stringbulider对象</param>

        /// <param name="size">字节大小</param>

        /// <param name="filePath">文件路径</param>

        /// <returns></returns>

        [DllImport("kernel32")]

        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retval, int size, string filePath);

        private string strFilePath = Application.StartupPath + "\\FileConfig.ini";//获取INI文件路径

        private string strSec = "";//INI文件名      

        #endregion

        //写入

         private void btnWrite_Click(object sender, EventArgs e) {

            try

            {

                    //根据INI文件名设置要写入INI文件的节点名称

                    //此处的节点名称完全可以根据实际需要进行配置

                    strSec = Path.GetFileNameWithoutExtension(strFilePath);

                    WritePrivateProfileString(strSec, "Name", txtName.Text.Trim(), strFilePath);

                    WritePrivateProfileString(strSec, "Sex", txtSex.Text.Trim(), strFilePath);

                    WritePrivateProfileString(strSec, "Age", txtAge.Text.Trim(), strFilePath);

                    WritePrivateProfileString(strSec, "Address", txtAddress.Text.Trim(), strFilePath);

                    MessageBox.Show("写入成功");

            }catch(Exception ex){

                MessageBox.Show(ex.Message.ToString());

                return;

            }

        }

        //读取

         private void btnRead_Click(object sender, EventArgs e) {

             if (File.Exists(strFilePath))//读取时先要判读INI文件是否存在

            {

                 strSec = Path.GetFileNameWithoutExtension(strFilePath);

                 txtName.Text = ContentValue(strSec, "Name");

                 txtSex.Text = ContentValue(strSec, "Sex");

                 txtAge.Text = ContentValue(strSec, "Age");

                 txtAddress.Text = ContentValue(strSec, "Address");

             } else {

                 MessageBox.Show("INI文件不存在");

                 return;

             }

         }

         /// <summary>

         /// 自定义读取INI文件中的内容方法

         /// </summary>

         /// <param name="Section">键</param>

         /// <param name="key">值</param>

         /// <returns></returns>

         private string ContentValue(string Section, string key) {

             StringBuilder temp = new StringBuilder(1024);

             GetPrivateProfileString(Section, key, "", temp, 1024, strFilePath);

             return temp.ToString();

         }

}

}

（3）图片