silverlight隔离存储

概述cs代码如下： 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.I @H_502_2@

cs代码如下：

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.IO;namespace gelicunchu{    public partial class MainPage : UserControl    {        public MainPage()        {            InitializeComponent();        }        private voID click1(object sender,RoutedEventArgs e)        {                        using(IsolatedStoragefile store=IsolatedStoragefile.GetUserStoreForApplication()){                Int64 newspace = 20971520;                 Int64 curspace=store.AvailableFreeSpace;                if(curspace<newspace){                    if(!store.IncreaseQuotaTo(newspace)){                        ChilDWindow child = new System.windows.Controls.ChilDWindow();                        child.Title = "用户不准许扩展空间";                        child.Content = "请求失败。。。。。。。";                        child.Show();                    }                }                using (StreamWriter sw = new StreamWriter(store.Openfile("a.txt",fileMode.OpenorCreate,fileAccess.Write)))                {                    sw.Writeline(textBox1.Text);                }            }        }        private voID click2(object sender,RoutedEventArgs e)        {            using (IsolatedStoragefile store = IsolatedStoragefile.GetUserStoreForApplication())            {                using (StreamReader sr = new StreamReader(store.Openfile("a.txt",fileAccess.Read)))                {                    textBlock1.Text = sr.Readline();                }            }        }    }}xaml文件:

xaml文件：

<GrID x:name="LayoutRoot" Background="White">        <button Content="写入" Height="23" Click="click1"  HorizontalAlignment="left" margin="10,10,0" name="button1" VerticalAlignment="top" WIDth="75" />        <button Content="读取" Height="23" Click="click2" HorizontalAlignment="left" margin="10,43,0" name="button2" VerticalAlignment="top" WIDth="75" />        <TextBox Height="23" HorizontalAlignment="left" margin="10,76,0" name="textBox1" VerticalAlignment="top" WIDth="120" />        <TextBlock Height="23" HorizontalAlignment="left" margin="20,105,0" name="textBlock1" Text="TextBlock" VerticalAlignment="top" />    </GrID>

@H_502_2@ 总结

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