[Windows Phone 7] Storage

現在Windwos Phone 7的資料存放區得寫入到隔離儲存區 (Isolated Storage)空間中，有兩種儲存方式：1.獨立檔案儲存體；2.獨立設定儲存。

（1）獨立檔案儲存體

獨立檔案儲存體的使用方法與檔案類似

寫入：

//Obtain the virtual store for applicationIsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();//Create a new folder and call it "ImageFolder"myStore.CreateDirectory("ImageFolder");//Create a new file and assign a StreamWriter to the store and this new file (myFile.txt)//Also take the text contents from the txtWrite control and write it to myFile.txtStreamWriter writeFile = new StreamWriter(new IsolatedStorageFileStream("ImageFolder\\myFile.txt", FileMode.OpenOrCreate, myStore));writeFile.WriteLine(txtWrite.Text);writeFile.Close();

讀取：

     //Obtain a virtual store for application    IsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();    //This code will open and read the contents of myFile.txt    //Add exception in case the user attempts to click “Read button first.    StreamReader readFile = null;    try    {        readFile = new StreamReader(new IsolatedStorageFileStream("ImageFolder\\myFile.txt", FileMode.Open, myStore));        string fileText = readFile.ReadLine();        //The control txtRead will display the text entered in the file        txtRead.Text = fileText;        readFile.Close();    }    catch    {        txtRead.Text = "Need to create directory and the file first.";    }

（2）獨立設定儲存

//擷取獨立設定儲存物件IsolatedStorageSettings settings = IsolatedStorageSettings.ApplicationSettings;//寫資料setting["name"]="Bill";setting["age"]=""20;setting.save();//讀資料string Name=setting["name"];

更具體的例子可以看微軟SettingsSample的例子，裡面有很詳細的說明怎麼進行獨立設定儲存。