
###################
A3DPDFEActivateWhen
###################

.. c:enum:: A3DPDFEActivateWhen

   The circumstances under which the 3D Annot shall be activated.
   
   
      4.1
   
   
   
   Index
   =====
   
   .. rubric:: Enumerators
   
   
   .. rst-class:: api-xref-list
   
   
   * :c:enumerator:`~kA3DPDFActivExplicitActivation`
   * :c:enumerator:`~kA3DPDFActivPageOpened`
   * :c:enumerator:`~kA3DPDFActivPageVisible`
   
   



.. rst-class:: kind-group kind-enumerator

.. rubric:: Enumerators
   :class: kind-group-title


.. c:enumerator:: kA3DPDFActivExplicitActivation

      .. rst-class:: sig-pretty-signature
      
         | **kA3DPDFActivExplicitActivation** = ``0``
      
      The 3D Annot shall remain inactive until explicitly activated by a script or user action.
      



.. c:enumerator:: kA3DPDFActivPageOpened

      .. rst-class:: sig-pretty-signature
      
         | **kA3DPDFActivPageOpened**
      
      The 3D Annot shall be activated as soon as the page containing the 3D Annot is opened.
      



.. c:enumerator:: kA3DPDFActivPageVisible

      .. rst-class:: sig-pretty-signature
      
         | **kA3DPDFActivPageVisible**
      
      The 3D Annot shall be activated as soon as any part of the page containing the 3D Annot becomes visible.
      




