#imageViewerUpdate: IVFB Interface Sent by an image viewer (or the rendered frame window) to request that its custom rollouts update their UI. Calling callbacks.notificationParam() returns an IVFB interface which allows rollouts to be added to the Virtual Frame Buffer (a.k.a. Rendered Frame Window).
#preImageViewerDisplay: IVFB Interface Sent after the image viewer is created, but before it becomes visible. Calling callbacks.notificationParam() returns an IVFB interface which allows rollouts to be added to the Virtual Frame Buffer (a.k.a. Rendered Frame Window).
Available in 3ds Max 2009 and higher.
#postImageViewerDisplay: IVFB Interface Sent after the image viewer becomes visible. Calling callbacks.notificationParam() returns an IVFB interface which allows rollouts to be added to the Virtual Frame Buffer (a.k.a. Rendered Frame Window).
Available in3ds Max 2009 and higher.