Accessing the Isolated Local Storage
<UserControl x:Class='SilverlightApplication3.MainPage'
xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'
xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
xmlns:d='http://schemas.microsoft.com/expression/blend/2008'
xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006'
mc:Ignorable='d'
d:DesignWidth='640'
d:DesignHeight='480'>
<Grid x:Name="LayoutRoot" Background="LightBlue">
<Button x:Name="saveBtn" Content="Save"/>
<TextBox x:Name="saveText"/>
<Button x:Name="getBtn" Content="Retrieve"/>
<TextBlock x:Name="getText" TextWrapping="Wrap"/>
</Grid>
</UserControl>
//File: Page.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.IO;
using System.IO.IsolatedStorage;
namespace SilverlightApplication3
{
public partial class MainPage : UserControl
{
IsolatedStorageFile localStore;
public MainPage()
{
InitializeComponent();
saveBtn.Click += new RoutedEventHandler(saveBtn_Click);
getBtn.Click += new RoutedEventHandler(getBtn_Click);
localStore = IsolatedStorageFile.GetUserStoreForApplication();
}
void saveBtn_Click(object sender, RoutedEventArgs e){
string[] files = localStore.GetFileNames("*.dat");
if (files.Length != 0)
foreach (string name in files)
localStore.DeleteFile(name);
IsolatedStorageFileStream stream = new IsolatedStorageFileStream("test.dat",FileMode.Create, localStore);
StreamWriter sWriter = new StreamWriter(stream);
sWriter.WriteLine(saveText.Text);
sWriter.Close();
stream.Close();
}
void getBtn_Click(object sender, RoutedEventArgs e){
IsolatedStorageFileStream stream = new IsolatedStorageFileStream("test.dat",FileMode.Open, localStore);
StreamReader sReader = new StreamReader(stream);
getText.Text = sReader.ReadLine();
sReader.Close();
stream.Close();
}
}
}
Related examples in the same category
