Windows Phone 独立存储（IsolatedStorageFile）

private void IsolatedStorageFileDemo()
{

string isolatedFileName = "DemoIsolatedFile.txt"; //文件名
IsolatedStorageFile isoStore;
IsolatedStorageFileStream isoStream;

StreamWriter myWrite;  //写
StreamReader myReader; //读

string lineFormIsolatedFile;

isoStore = IsolatedStorageFile.GetUserStoreForApplication(); //取得用户Application的地址

//打开指定的文件，以创建的方式
isoStream = new IsolatedStorageFileStream(isolatedFileName,FileMode.Create,isoStore);

//写入文件
myWrite = new StreamWriter(isoStream);
myWrite.WriteLine("Writing to isolated storage files is easy!");
myWrite.WriteLine("It is also secure and stable.");
myWrite.Close();

//读取文件
isoStream = new IsolatedStorageFileStream(isolatedFileName,FileMode.Open, isoStore);
myReader = new StreamReader(isoStream);
while ((lineFormIsolatedFile = myReader.ReadLine()) != null)
{
//Console.WriteLine(lineFormIsolatedFile);
MessageBox.Show(lineFormIsolatedFile);
}
myReader.Close();
}