//File: Page.xaml.cs using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.IO.IsolatedStorage; using System.Windows.Browser; namespace SilverlightApplication3 { public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); } private void myButton_Click(object sender, RoutedEventArgs e) { using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication()) { if (isoFile.DirectoryExists("Directory1")) { isoFile.DeleteDirectory("Directory1"); } HtmlWindow window = HtmlPage.Window; bool directoryExists = isoFile.DirectoryExists("Directory1"); Console.WriteLine(directoryExists); isoFile.CreateDirectory("Directory1"); directoryExists = isoFile.DirectoryExists("Directory1"); Console.WriteLine(directoryExists); } } } }