private void btnAttach_Click(object sender, RoutedEventArgs e) { var behaviors = Interaction.GetBehaviors(item1); behaviors.Clear(); var mtb = new MultiTouchBehavior { IsRotateEnabled = true, IsScaleEnabled = true, IsTranslateEnabled = true, IsInertiaEnabled = true, AreFingersVisible = true, MinimumScale = 20, MaximumScale = 500, IgnoreTypes = new[] { typeof(Button), typeof(ToggleButton), typeof(Slider) } }; behaviors.Add(mtb); mtb.Move(new Point(300, 200), 45, 100); }