Notifies clients when the rotation angle is updated.
[Visual Basic 6.0] Event RotationUpdated(
ByVal sender As IDisplayTransformation _
) As Empty
[Visual Basic .NET] Public Event RotationUpdated As RotationUpdatedEventHandler
[C#] public event RotationUpdatedEventHandler RotationUpdated
[C++] public event RotationUpdatedEventHandler RotationUpdated