File Stream C#

using System;
using System.IO;
using System.IO.IsolatedStorage;
 class Utils
{
    public static Stream GetSettingsReadStream()
    {
        IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForDomain();
        IsolatedStorageFileStream stream = new IsolatedStorageFileStream("settings.bin", FileMode.OpenOrCreate, FileAccess.Read, FileShare.ReadWrite, file);
        return stream;
    }
    public static Stream GetSettingsWriteStream()
    {
        IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForDomain();
        IsolatedStorageFileStream stream = new IsolatedStorageFileStream("settings.bin", FileMode.OpenOrCreate, FileAccess.Write, FileShare.Read, file);
        return stream;
    }
}