Arbortext IsoView > Programmer's Reference > Properties > Preview
  
Preview
* 
This property is obsolete effective Arbortext IsoView 3.0.
This property determines whether the illustration is displayed in preview mode or not. It sets if the preview mode is turned on or off as Boolean (default: true).
Preview has the same meaning here that it has inside Arbortext IsoDraw.
Introduced with Arbortext IsoView 1.0.
document.ivx1.Preview = true;