Retrieve a property of the Rhino object referenced by a Grasshopper value.

Input parameters:

1. Ob → Object referenced from the Rhino document.
2. Pr → Object property to retrieve.
   • 0 → Kind
   • 1 → Name
   • 2 → State
   • 3 → Layer Name
   • 4 → Layer Path
   • 5 → Display Colour

Output parameters:

1. Vl → Harvested property value.