using System;
using System.IO;

using Smdn.Formats.Ini;

class IniSample {
  static void Main(string[] args)
  {
    var ini = @"
[global]
# Change this to the workgroup/NT-domain name your Samba server will part of
   workgroup = WORKGROUP

# This will prevent nmbd to search for NetBIOS names through DNS.
   dns proxy = no

# The specific set of interfaces / networks to bind to
# This can be either the interface name or an IP address/netmask;
# interface names are normally preferred
;   interfaces = 127.0.0.0/8 eth0

[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700
";

    var config = IniDocument.Load(new StringReader(ini));

    Console.WriteLine("[global]");
    // キーの値をstringで取得
    Console.WriteLine("workgroup: {0}", config["global"]["workgroup"]);
    // yesならtrue、それ以外はfalseとして値を取得
    Console.WriteLine("dns proxy: {0}", config["global"].Get("dns proxy", (val) => val == "yes"));
    // キーが存在しない場合のデフォルトを指定して取得
    Console.WriteLine("interfaces: {0}", config["global"].Get("interfaces", "(default interface)"));
    // 同じくデフォルトを指定してbool型の値として取得
    Console.WriteLine("wins support: {0}", config["global"].Get("wins support", false, (val) => val == "yes"));

    // 条件にマッチするセクションを取得(config["printers"]と同じ)
    var printers = config.Find((section) => section.Name == "printers");

    Console.WriteLine("[printers]");

    // デフォルトでは大文字小文字を無視してキー名を比較する
    // (Loadメソッドの引数で比較に使用するIEqualityComparer<string>を指定可能)
    Console.WriteLine("read only: {0}", printers.Get("READ Only", (val) => val == "yes"));
    Console.WriteLine("guest ok: {0}", printers.Get("guest ok", (val) => val == "yes"));
    Console.WriteLine("path: {0}", printers.Get("path", (val) => new DirectoryInfo(val)));
    Console.WriteLine("create mask: 0b{0}", Convert.ToString(printers.Get("create mask", (val) => Convert.ToInt32(val, 8)), 2));
  }
}

[global]
workgroup: WORKGROUP
dns proxy: False
interfaces: (default interface)
wins support: False
[printers]
read only: True
guest ok: False
path: /var/spool/samba
create mask: 0b111000000

using System;

using Smdn.Formats.Ini;

class IniSample {
  static void Main(string[] args)
  {
    var desktopIni = new IniDocument();

    // .ShellClassInfoセクションを作成・取得
    var shellClassInfo = desktopIni[".ShellClassInfo"];

    // それぞれのキーと値を設定
    shellClassInfo["InfoTip"] = "hoge";
    shellClassInfo["IconFile"] = @"%SystemRoot%\system32\mydocs.dll";
    shellClassInfo["IconIndex"] = "-101";

    desktopIni.Save(@"D:\test\desktop.ini");
    desktopIni.Save(Console.Out);
  }
}

[.ShellClassInfo]
InfoTip=hoge
IconFile=%SystemRoot%\system32\mydocs.dll
IconIndex=-101