Defines the plane in which the angle should be computed. The input point will be projected into this plane and the Angle to the x-axis will be used as the input

public Plane PlaneForAngle { get; set; }

Public Property PlaneForAngle As Plane
	Get
	Set

public:
property Plane PlaneForAngle {
	Plane get ();
	void set (Plane value);
}