C#读写INI文件

internal class clsIni
    {
        //文件INI名称  
        internal string Path;

        ////声明读写INI文件的API函数    
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);

        [DllImport("kernel32")]
        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        //传递INI文件名  
        internal clsIni(string inipath)
        {
            Path = inipath;
        }

        //写INI文件  
        internal void IniWriteValue(string Section, string Key, string Value)
        {
            WritePrivateProfileString(Section, Key, Value, this.Path);
        }

        //读取INI文件指定  
        internal string IniReadValue(string Section, string Key)
        {
            StringBuilder temp = new StringBuilder(255);
            int i = GetPrivateProfileString(Section, Key, "", temp, 255, this.Path);
            return temp.ToString();
        }
    }