程式 . 生活 . D小調

using System.IO.IsolatedStorage;

/// <summary>
/// 用來讀取 IsolatedStorageSettings
/// </summary>
public IsolatedStorageSettings Configs = IsolatedStorageSettings.ApplicationSettings;


// Constructor
public MainPage()
{
    InitializeComponent();

    //可以用 .Contains() 去判斷是不是有該Settings存在
    //不要用 Configs.Contains("LANG")==null 會有Exception
    if (Configs.Contains("LANG"))
    {
        this.txtTips.Text = "您上次離開最後設定為" + Configs["LANG"];
    }
    else
    {
        Configs["LANG"] = "en_US";
         this.txtTips.Text ="因為您首次進入，將您語系設定成en_US";
    }

}

/// <summary>
/// 設定為中文
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCHT_Click(object sender, RoutedEventArgs e)
{
    Configs["LANG"] = "zh_TW";
    this.txtTips.Text = "已設定為" + "zh_TW";
}

/// <summary>
/// 設定為英文
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnEN_Click(object sender, RoutedEventArgs e)
{
    Configs["LANG"] = "en_US";
    this.txtTips.Text = "已設定為" + "en_US";
}

/// <summary>
/// 讀取
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnRead_Click(object sender, RoutedEventArgs e)
{
    this.txtTips.Text = "目前語系為 " + Configs["LANG"].ToString();
}