How to read and write INI files in C #

In C # Read and write the INI file a piece of code, in fact, this article just pointed out a direction, I hope we can analogy.

The following is the full code:

Write INI file
[DllImport ("kernel32")]
private static extern bool WritePrivateProfileString (string section, string key, String val, string filePath);
Read INI file (character
[DllImport ("kernel32")]
private static extern int getprivateprofilestring (string section, String key, String Def, StringBuilder retVal, int si Ze, string filePath);

Read the INI file (number
[DllImport ("kernel32")]
private static extern int Getprivateprofileint (string section, string key, int def, string filePath);

//////////////////////////////////////////////////////////////
Using System;
Using System.IO;
Using System.Runtime.InteropServices;
Using System.Text;

Namespace Echoncomponentlibrary
{
<summary>
Summary description of the IniFile.
</summary>
public class IniFile
{
private string Ffilename;

[DllImport ("kernel32")]