static void YCROYCRO_CG_AddSpline()
	{
		AcGePoint3d pt1(0, 0, 0), pt2(10, 30,0), pt3(60, 80, 0), pt4(100, 100, 
			0); 
		AcGePoint3dArray points; 
		points.append(pt1); 
		points.append(pt2); 
		points.append(pt3); 
		points.append(pt4); 
		CCreateEnt::CreateSpline(points);
		pt2.set(30, 10, 0); 
		pt3.set(80, 60, 0); 
		points.removeSubArray(0, 3); 
		points.append(pt1); 
		points.append(pt2); 
		points.append(pt3); 
		points.append(pt4); 
		AcGeVector3d startTangent(5, 1, 0); 
		AcGeVector3d endTangent(5, 1, 0); 
		CCreateEnt::CreateSpline(points, startTangent, endTangent); 
	}