private void ReadPoisByBuildingFromIsolatedStorage(string directory)
{
var settings1 = IsolatedStorageFile.GetUserStoreForApplication();
if (settings1.FileExists(directory + "/PoisByBuilding"))
{
using (var fileStream = settings1.OpenFile(directory + "/PoisByBuilding", FileMode.Open))
{
var serializer = new DataContractSerializer(typeof(PoisByBuilding));
_poisByBuilding = (PoisByBuilding)serializer.ReadObject(fileStream);
}
}
}