Wiki

<UserControl x:Class="IncreaseIsolatedStorage.Page"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 

    Width="800" Height="600">

<Grid x:Name="LayoutRoot" Background="White">

    <Canvas Canvas.Left="10" Canvas.Top="10">

        <TextBlock Canvas.Left="10" x:Name="SpacedUsed" >Current Spaced Used=</TextBlock>

        <TextBlock Canvas.Left="10" x:Name="SpaceAvaiable" Canvas.Top="20">Current Space Available=</TextBlock>

        <TextBlock Canvas.Left="10" x:Name="CurrentQuota" Canvas.Top="40">Current Quota=</TextBlock>

        <TextBlock Canvas.Left="10" x:Name="NewSpace" Canvas.Top="70">New space (in bytes) to request=</TextBlock>

        <TextBox Canvas.Left="255" Canvas.Top="70" Width="100" x:Name="SpaceRequest"></TextBox>

        <TextBlock Canvas.Left="365" Canvas.Top="70" Width="60">(1048576 = 1 MB)</TextBlock>

        <Button Canvas.Left="10" Content="Increase Storage" Canvas.Top="100" 

                Width="100" Height="50" Click="Button_Click">                

        </Button>

        <TextBlock Canvas.Left="10" Canvas.Top="160" x:Name="Results"></TextBlock>

    </Canvas>

</Grid>

</UserControl>

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 SilverlightApplication11

{

    public partial class Page : UserControl

    {

        public Page()

        {

            InitializeComponent();

            SetStorageData();

        }

        private void SetStorageData()

        {

            using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())

            {

                SpacedUsed.Text     = "Current Spaced Used = "+(isf.Quota - isf.AvailableFreeSpace).ToString() +" bytes";

                SpaceAvaiable.Text  = "Current Space Available=" + isf.AvailableFreeSpace.ToString() + " bytes";

                CurrentQuota.Text   = "Current Quota=" + isf.Quota.ToString() + " bytes";

            }

        }

        private void IncreaseStorage(long spaceRequest)

        {

            using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())

            {

                long newSpace = isf.Quota + spaceRequest; 

                try

                {

                    if (true == isf.IncreaseQuotaTo(newSpace))

                    {

                        Results.Text = "Quota successfully increased.";

                    }

                    else

                    {

                        Results.Text = "Quota increase was unsuccessfull.";

                    }

                }

                catch (Exception e)

                {

                    Results.Text = "An error occured: "+e.Message;

                }

                SetStorageData();

            }

        }

        private void Button_Click(object sender, RoutedEventArgs e)

        {

            try

            {

                long spaceRequest = Convert.ToInt64(SpaceRequest.Text);

                IncreaseStorage(spaceRequest);

            }

            catch { // User put bad data in text box }

        }

    }

}