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Window Phone Save Settings

/ Published in: C#
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for save settings in windows phone

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  1. private static string key(string type, string key = "", string value = "")
  2.         {
  3.             string ret = string.Empty;
  4.             IsolatedStorageSettings settings = IsolatedStorageSettings.ApplicationSettings;
  5.             try
  6.             {
  7.                 switch (type)
  8.                 {
  9.                     case "add":
  10.                         settings.Add(key, value);
  11.                         settings.Save();
  12.                         return "success";
  13.                     case "remove":
  14.                         if (settings.Contains(key))
  15.                         {
  16.                             settings.Remove(key);
  17.                             settings.Save();
  18.                             return "success";
  19.                         }
  20.                         else return "error";
  21.                     case "update":
  22.                         if (settings.Contains(key))
  23.                         {
  24.                             settings[key] = value;
  25.                             settings.Save();
  26.                             return "success";
  27.                         }
  28.                         else return "error";
  29.                     case "select":
  30.                         if (settings.Contains(key))
  31.                             return settings[key] as string;
  32.                         return "error";
  33.                     case "is_key":
  34.                         if (settings.Contains(key)) return "success";
  35.                         else return "error";
  36.                     default:
  37.                         return "error";
  38.                 }
  39.             }
  40.             catch (Exception ex)
  41.             {
  42.                 MessageBox.Show(ex.Message);
  43.                 return "error";
  44.             }
  45.         }

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