operateinifile.cs

gps

using System;
using System.Text;
using System.IO;
using System.Runtime.InteropServices;

namespace GPSClassLibrary
{
    public class OperateIniFile
    {
        #region API函数声明

        [DllImport("kernel32")]//返回0表示失败，非0为成功
        private static extern long WritePrivateProfileString(string section,string key,
            string val,string filePath);

        [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
        /// <summary>
        /// 读Ini文件
        /// </summary>
        /// <param name="Section">节</param>
        /// <param name="Key">关键字</param>
        /// <param name="NoText">无结果时返回的文本</param>
        /// <param name="iniFilePath">文件路径</param>
        /// <returns></returns>
        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

        #region 写Ini文件
        /// <summary>
        /// 写Ini文件
        /// </summary>
        /// <param name="Section">节</param>
        /// <param name="Key">关键字</param>
        /// <param name="Value">值</param>
        /// <param name="iniFilePath">文件路径</param>
        /// <returns></returns>
        public static bool WriteIniData(string Section, string Key, string Value, string iniFilePath)
        {
            if (!File.Exists(iniFilePath))
            {
                File.Create(iniFilePath);
            }
            long OpStation = WritePrivateProfileString(Section, Key, Value, iniFilePath);
            if (OpStation == 0)
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        #endregion
    }
}