IniFile.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Text.RegularExpressions;
using System.Runtime.InteropServices;
using System.Media;
using System.Diagnostics;

namespace WindowsFormsApplication1
{
    public class IniFile
    {
        public string path;
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
        [DllImport("kernel32")]
        private static extern long GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        public IniFile(string IniPath)
        {
            path = IniPath;
        }
        public void IniWriteValue(string Section, string key, string value)
        {
            WritePrivateProfileString(Section, key, value, this.path);
        }

        public string IniReadValue(string Section, string key)
        {
            StringBuilder temp = new StringBuilder(255);
            GetPrivateProfileString(Section, key, "", temp, 255, this.path);
            return temp.ToString();
        }
    }
}