Check DicomImage.FlipState for all possible values.
Default values is Normal.
Only display within a DicomViewer is altered by these properties. Storage and transmission are NOT affected.
RotateState and FlipState properties interact, as for example, RotateState=180 has the same effect as FlipState=Both. Conceptually, the flip is performed first, followed by any rotation.
These properties are over-ridden if a PresentationState is applied.