File Directory Stream C# Tutorial

using System;
using System.IO.IsolatedStorage;
using System.IO;
  class MainClass
  {
    static void Main(string[] args)
    {
      using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForAssembly())
      {
        store.CreateDirectory(@"MyDir\XmlData");
        store.CreateDirectory("MyDir\\BinaryData");
        store.CreateDirectory("MyDir/TextData");
      }
    }
  }