| Name | Value | Description |
| kBSplineCurve | 5128 | Curve bspline type. |
| kCircleCurve | 5124 | Curve circle type. |
| kCircularArcCurve | 5125 | Curve circular arc type. |
| kEllipseFullCurve | 5126 | Curve ellipse full type. |
| kEllipticalArcCurve | 5127 | Curve elliptical arc type. |
| kLineCurve | 5122 | Curve line type. |
| kLineSegmentCurve | 5123 | Curve line segment type. |
| kPolylineCurve | 5129 | Curve polyline type. |
| kUnknownCurve | 5121 | Curve unknown type. |