Storing Application Settings
Adding a value
//Add value to Isolated Storage Settings
IsolatedStorageSettings.ApplicationSettings.Add("Key", "Value");Checking if a value exists
//Check if a value exists in settings already
if (IsolatedStorageSettings.ApplicationSettings.Contains("Key"))
{
//perform logic
}Reading the value
string setting = IsolatedStorageSettings.ApplicationSettings["Key"] as string;Saving the settings
IsolatedStorageSettings.ApplicationSettings.Save();