в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

Admin: 1 версия

2010-05-26T12:20:24Z

1 версия

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==Create Directory in your Isolated Storage File==

<source lang="csharp">using System;
using System.IO;
using System.IO.IsolatedStorage;
static class MainClass
{
static void Main()
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForAssembly())
{
store.CreateDirectory("MyFolder");
Console.WriteLine("Current size: " + store.CurrentSize.ToString());
Console.WriteLine("Scope: " + store.Scope.ToString());
}
}
}</source>
<pre class=codeResult>Current size: 2048
Scope: User, Assembly</pre>

==Get included files in your Isolated Storage File==

<source lang="csharp">using System;
using System.IO;
using System.IO.IsolatedStorage;
static class MainClass
{
static void Main()
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForAssembly())
{
Console.WriteLine("Contained files include:");
string[] files = store.GetFileNames("*.*");
foreach (string file in files)
{
Console.WriteLine(file);
}
}
}
}</source>
<pre class=codeResult>Contained files include:
MyFile.txt</pre>

==Open up isolated storage based on identity of user + assembly evidence==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.IO.IsolatedStorage;
using System.Security.Permissions;
[assembly: IsolatedStorageFilePermission(SecurityAction.RequestMinimum, UsageAllowed = IsolatedStorageContainment.AssemblyIsolationByUser)]
public class MainClass{
public static void Main()
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForAssembly())
{
using (IsolatedStorageFileStream isStream = new IsolatedStorageFileStream("MyData.txt",FileMode.OpenOrCreate, store))
{
using (StreamWriter sw = new StreamWriter(isStream))
{
sw.WriteLine("This is my data.");
sw.WriteLine("Cool, huh?");
}
}
}
}
}</source>

==Read from IsolatedStorage==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.IO;
using System.IO.IsolatedStorage;
using System.Text;
public class Tester
{
public static void Main()
{
Tester app = new Tester();
app.Run();
}
private void Run()
{
IsolatedStorageFileStream configFile = new IsolatedStorageFileStream("Tester.cfg", FileMode.Open);
StreamReader reader = new StreamReader(configFile);
string theEntry;
do
{
theEntry = reader.ReadLine();
Console.WriteLine(theEntry);
} while (theEntry != null);
reader.Close();
configFile.Close();
}
}</source>

==Read text in From IsoStorage==

<source lang="csharp">using System;
using System.IO.IsolatedStorage;
using System.IO;
class MainClass
{
static void Main(string[] args)
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForAssembly())
{
using (IsolatedStorageFileStream isStream = new IsolatedStorageFileStream("MyData.txt", FileMode.Open,FileAccess.Read, store))
{
using (StreamReader sr = new StreamReader(isStream))
{
string allTheData = sr.ReadToEnd();
Console.WriteLine(allTheData);
}
}
}

}
}</source>

==Save file to Isolated Storage File==

<source lang="csharp">using System;
using System.IO;
using System.IO.IsolatedStorage;
static class MainClass
{
static void Main()
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForAssembly())
{
store.CreateDirectory("MyFolder");
using (Stream fs = new IsolatedStorageFileStream("MyFile.txt", FileMode.Create, store))
{
StreamWriter w = new StreamWriter(fs);
w.WriteLine("Test");
w.Flush();
}
}
}
}</source>

==Write text out To IsoStorage==

<source lang="csharp">using System;
using System.IO.IsolatedStorage;
using System.IO;
class MainClass
{
static void Main(string[] args)
{
using (IsolatedStorageFile store =IsolatedStorageFile.GetUserStoreForAssembly())
{
using (IsolatedStorageFileStream isStream = new IsolatedStorageFileStream("MyData.txt",FileMode.OpenOrCreate, store))
{
using (StreamWriter sw = new StreamWriter(isStream))
{
sw.WriteLine("data.");
sw.WriteLine("Cool?");
}
}
}

}
}</source>

==Writing To Isolated Storage==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.IO;
using System.IO.IsolatedStorage;
using System.Text;

public class Tester
{
public static void Main()
{
IsolatedStorageFileStream configFile =new IsolatedStorageFileStream("Tester.cfg", FileMode.Create);
StreamWriter writer = new StreamWriter(configFile);
String output;
System.DateTime currentTime = System.DateTime.Now;
output = "Last access: " + currentTime.ToString();
writer.WriteLine(output);
output = "Last position = 27,35";
writer.WriteLine(output);
writer.Close();
configFile.Close();
}
}</source>

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Csharp/CSharp Tutorial/File Directory Stream/IsolatedStorage - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия