Silverlight独立存储

功能：实现写入，读取独立存储信息。
<UserControl x:Class="ISORW.Page"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="400" Height="300">
    <Grid x:Name="LayoutRoot" Background="White">
        <StackPanel Width="400" Height="400" Orientation="Vertical"  Background="Blue" >
            <StackPanel  Width="400" Height="30" Orientation="Horizontal"  Background="Blue">
                <Button x:Name="btnWrite" Height="30" Width="150" Content="写入文件" Click="btnWrite_Click" Margin="20,0,0,0" ></Button>
                <Button x:Name="btnRead" Height="30" Width="150" Content="读出文件" Click="btnRead_Click" Margin="50,0,0,0" ></Button>
            </StackPanel>
            <StackPanel Width="400" Height="20" Orientation="Horizontal"  Background="Blue">
                <TextBlock Height="20" Width="150" Text="写入文件" Margin="20,0,0,0" Foreground="Yellow" ></TextBlock>
                <TextBlock Height="20" Width="150" Text="读取文件" Margin="50,0,0,0" Foreground="Yellow" ></TextBlock>
            </StackPanel>
            <StackPanel  Width="400" Height="250" Orientation="Horizontal"  Background="Blue">
                <TextBox x:Name="tbTexts"  Height="220" Width="180" Foreground="Black"  TextWrapping="Wrap"  Margin="5,0,10,10"  Text="请在此输入需要写入文件的内容"></TextBox>
                <TextBox x:Name="tbTextsRead"  Height="220" Width="180" Foreground="Blue"  TextWrapping="Wrap" Margin="5,0,10,10"></TextBox>
            </StackPanel>
        </StackPanel>
    </Grid>
</UserControl>

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;
using System.IO.IsolatedStorage;

namespace ISORW
{
    public partial class Page : UserControl
    {
       
        public Page()
        {
            InitializeComponent();
        }

        //执行写入命令
        private void btnWrite_Click(object sender, RoutedEventArgs e)
        {
            //创建isolatedstoragefile，获取读写权限
             IsolatedStorageFile isf =IsolatedStorageFile.GetUserStoreForApplication();
             Stream stream = new IsolatedStorageFileStream("MyText.txt", System.IO.FileMode.Create, System.IO.FileAccess.Write, isf);
             System.IO.TextWriter writer = new System.IO.StreamWriter(stream);
             writer.WriteLine(this.tbTexts.Text.ToString());
             writer.Close(); // Close the writer so data is flushed
             stream.Close(); // Close the stream too
        }

        //执行读取命令
        private void btnRead_Click(object sender, RoutedEventArgs e)
        {
            IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication();
            Stream stream = new IsolatedStorageFileStream("MyText.txt", System.IO.FileMode.Open, System.IO.FileAccess.Read, isf);
            System.IO.TextReader reader = new System.IO.StreamReader(stream);
            string sLine = reader.ReadLine();
            this.tbTextsRead.Text = sLine;
            reader.Close(); // Close the reader
            stream.Close(); // Close the stream
        }
    }
}