Image Viewer Functions:
 Window Control
  Working with Annotations

L_DispContainerAnnToRgn

L_DispContainerCalibrateRuler

L_DispContainerGetRulerUnit

L_DispContainerGetSelectedAnnotationAttributes

L_DispContainerSetRulerUnit

L_DispContainerFlipAnnotationContainer

L_DispContainerReverseAnnotationContainer

L_DispContainerRemoveBitmapRegion