public void block1()
{
BlockTableRecord btr = new BlockTableRecord();
btr.Name = "GoatBlock";
Line line = new Line(Point3d.Origin, new Point3d(10, 15, 0));
Circle circle = new Circle(Point3d.Origin, Vector3d.ZAxis, 10);
btr.AppendEntity(line);
btr.AppendEntity(circle);
btr.AddBlockTableRecord();
}