| 属性/方法 | 意义 |
|---|---|
| EntityName | 图形名称，如 "AcDbLine"，"AcDbCircle" 等 |
| Color | 颜色, acByBlock=0, acByLayer=256 |
| Delete() | 删除 |
| Move(FromPoint, ToPoint) | 移动 |
| Rotate(BasePoint,Ang) | 旋转 |
| Mirror(Point1,Point2) | 镜像 |
| Mirror3D(Point1,Point2，Point3) | 3D镜像 |
| ScaleEntity(BasePoint,Scale) | 缩放 |
| Layer | 所在层，如"0" |
| LineType | 线型，如"ByLayer","ByBlock"等 |
| LineTypeScale | 线型比例 |
| LineWidth | 线宽 |