Poly | 
public class PolyLine
The PolyLine type exposes the following members.
| Name | Description | |
|---|---|---|
| PolyLine | 创建一个空多线段 | |
| PolyLine(IEnumerablePoint) | 给定一系列顶点创建多线段 | 
| Name | Description | |
|---|---|---|
| Equals | (Overrides ObjectEquals(Object))  | |
| GetHashCode | (Overrides ObjectGetHashCode)  | |
| Length | 获取多线段长度 | 
| Name | Description | |
|---|---|---|
| Equality(PolyLine, PolyLine) | 支持 == 操作符 | |
| Inequality(PolyLine, PolyLine) | 支持 != 操作符 |