CurveCreateBooleanDifference Method 
Name  Description  

CreateBooleanDifference(Curve, Curve) 
Calculates the boolean difference between two closed, planar curves.
Note, curves must be coplanar.
 
CreateBooleanDifference(Curve, IEnumerableCurve) 
Calculates the boolean difference between a closed planar curve, and a list of closed planar curves.
Note, curves must be coplanar.
