AnyPlace.MainPage.DeleteIsostorageFiles C# (CSharp) Méthode

        private void DeleteIsostorageFiles()
        {
            var settings1 = IsolatedStorageFile.GetUserStoreForApplication();
            if (settings1.FileExists("PoisByBuilding"))
            {
                settings1.DeleteFile("PoisByBuilding");
                MessageBox.Show("Items PoisByBuilding removed successfully.");
            }
            if (settings1.FileExists("WorldBuildings"))
            {
                settings1.DeleteFile("WorldBuildings");
                MessageBox.Show("Items WorldBuildings removed successfully.");
            }
            if (settings1.FileExists("AllBuildingFloors"))
            {
                settings1.DeleteFile("AllBuildingFloors");
                MessageBox.Show("Items AllBuildingFloors removed successfully.");
            }
        }