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

namespace POSV.Proxy.Tool
{
    public class InIHelper
    {

        private string Path;

        public InIHelper(string path)
        {
            this.Path = path;
        }
        /// <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);


        /// <summary>
        /// 写入
        /// </summary>
        /// <param name="section"></param>
        /// <param name="key"></param>
        /// <param name="iValue"></param>
        public void WriteContentValue(string section, string key, string iValue)
        {
            WritePrivateProfileString(section, key, iValue, this.Path);
        }

        /// <summary>
        /// 读取INI文件中的内容方法
        /// </summary>
        /// <param name="Section">键</param>
        /// <param name="key">值</param>
        /// <returns></returns>
        public string ReadContentValue(string Section, string key)
        {
            StringBuilder temp = new StringBuilder(1024);
            GetPrivateProfileString(Section, key, "", temp, 1024, this.Path);
            return temp.ToString();
        }
    }
}