AnyPlace.MainPage.writeAllBuildingFloorsToIsolatedStorage C# (CSharp) Method

        private void writeAllBuildingFloorsToIsolatedStorage(AllBuildingFloors v, string directory)
        {
            var settings1 = IsolatedStorageFile.GetUserStoreForApplication();
            if (settings1.FileExists(directory + "/AllBuildingFloors"))
            {
                settings1.DeleteFile(directory + "/AllBuildingFloors");
            }
            else
            {
                settings1.CreateDirectory(directory);
            }
            using (var fileStream = settings1.OpenFile(directory + "/AllBuildingFloors", FileMode.Create))
            {
                var serializer = new DataContractSerializer(typeof(AllBuildingFloors));
                serializer.WriteObject(fileStream, v);
            }
        }