Image Viewer Functions:
 Window Control
  Applying Actions

L_DispContainerAddAction

L_DispContainerGetActionCallBack

L_DispContainerGetActionCount

L_DispContainerGetActionProperties

L_DispContainerGetKeyboardAction

L_DispContainerIsActionActive

L_DispContainerRemoveAction

L_DispContainerSetAction

L_DispContainerSetActionCallBack

L_DispContainerSetActionProperties

L_DispContainerSetKeyboardAction