//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; namespace SilverlightApplication3 { public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); } private void myButton_Click(object sender, RoutedEventArgs e) { IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication(); long newQuotaSize = isoFile.Quota * 2; bool requestAccepted = isoFile.IncreaseQuotaTo(newQuotaSize); } } }