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POWindows 8 SDK (C#) Application_Deactivated and Application_Closing
 

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  1. POWindows 8 SDK (C#) Application_Deactivated and Application_Closing
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    <p>I have a settings class. This class Gets and Sets values from the IsolatedStorages</p> <pre><code> public Settings() { try { // Get the settings for this application. settings = IsolatedStorageSettings.ApplicationSettings; } catch (Exception e) { Debug.WriteLine("Exception while using IsolatedStorageSettings: " + e.ToString()); } } public int CookieCountSetting { get { return GetValueOrDefault&lt;int&gt;(CookieCountSettingKeyName, CookieCountSettingDefault); } set { if (AddOrUpdateValue(CookieCountSettingKeyName, value)) { Save(); } } } public bool AddOrUpdateValue(string Key, Object value) { bool valueChanged = false; // If the key exists if (settings.Contains(Key)) { // If the value has changed if (settings[Key] != value) { // Store the new value settings[Key] = value; valueChanged = true; } } // Otherwise create the key. else { settings.Add(Key, value); valueChanged = true; } return valueChanged; } public valueType GetValueOrDefault&lt;valueType&gt;(string Key, valueType defaultValue) { valueType value; // If the key exists, retrieve the value. if (settings.Contains(Key)) { value = (valueType)settings[Key]; } // Otherwise, use the default value. else { value = defaultValue; } return value; } </code></pre> <p>// I have the save function too and some other non relevant code</p> <p>Now in my code I use this class, and set a variable from the storage</p> <pre><code> private Settings settings = new Settings(); public int CookieCount; public Game() { InitializeComponent(); CookieCount = settings.CookieCountSetting; </code></pre> <p>Eventually I want to store this value when the App closes/exits. I use this code for it</p> <pre><code> // Code to execute when the application is deactivated (sent to background) // This code will not execute when the application is closing private void Application_Deactivated(object sender, DeactivatedEventArgs e) { settings.CookieCountSetting = CookieCount; } // Code to execute when the application is closing (eg, user hit Back) // This code will not execute when the application is deactivated private void Application_Closing(object sender, ClosingEventArgs e) { settings.CookieCountSetting = CookieCount; } </code></pre> <p>My problem is that when I close the App, and start it again, the value is back to its default value.</p> <p>I see no way why this is the fact.</p>
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    1. USdouweegbertje
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    1. COThis is on an emulator. The only problem is the Application_Deactivated and Closing. Those simply do not get fired. Its not a storage problem.
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      1. USdouweegbertje
    2. CODo you still have the events wired in either your xaml (<shell:PhoneApplicationService Launching="Application_Launching" Closing="Application_Closing" Activated="Application_Activated" Deactivated="Application_Deactivated"/>) or in code?
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      1. POWindows 8 SDK (C#) Application_Deactivated and Application_Closing
      1. USJedidja
    3. COStore the values directly after they are changed. This avoids hassle with the new App lifecycle.
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      1. POWindows 8 SDK (C#) Application_Deactivated and Application_Closing
      1. USmagicandre1981
 

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