Arbortext IsoDraw > Macro Language Reference > Object Data Types > Application Object - User Interface Preferences > app.useOpenGL
  
app.useOpenGL
Returns and sets the useOpenGL property as boolean. This property corresponds to the Use OpenGL option under Drawing of objects on the Redraw preferences panel. An illustration must be open in order to write a new value to this property.
true
Arbortext IsoDraw renders all illustrations with Open Graphics Library (OpenGL).
false
Arbortext IsoDraw only renders illustrations with OpenGL if they contain 3D data. 2D-only illustrations are not rendered using OpenGL.
app.useOpenGL = true