getprivateprofilestring

 

  class Program
    {
        [DllImport("kernel32", CharSet = CharSet.Unicode, SetLastError = true)]
        private static extern bool WritePrivateProfileString(
            string lpAppName, string lpKeyName, string lpString, string lpFileName);

        [DllImport("kernel32", CharSet = CharSet.Unicode, SetLastError = true)]
        private static extern int GetPrivateProfileString(
            string lpAppName, string lpKeyName, string lpDefault, StringBuilder lpReturnedString,
            int nSize, string lpFileName);

        static void Main(string[] args)
        {
            WritePrivateProfileString("Demo", "abc", "123", "c:\\demo.ini");

            StringBuilder temp = new StringBuilder();
            GetPrivateProfileString("Demo", "abc", "", temp, 255, "c:\\demo.ini");
            Console.WriteLine(temp);

            Console.ReadLine();

        }
    }