Creates a modifiable copy of this TransformGroup object by making deep copies of its values. This method does not copy resource references, data bindings, or animations, although it does copy their current values.
public TransformGroup CloneCurrentValue()
Use this method to produce modifiable copies of read-only Freezable objects. For convenience, this method shadows the inherited version with a strongly typed implementation.
For more information, see Freezable.CloneCurrentValue.