DbGeometry.InteriorRingAt(Int32) 方法
定义
如果其表示多边形,则在特定位置返回 DbGeometry 值中的内环。Returns an interior ring from this DbGeometry value at a specific position, if it represents a polygon. <param name="index">此几何值中应从中取得内环的位置。</param><returns>如果它表示多边形,则为此几何值中指定位置的内环;否则为 null。</returns><param name="index">The position within this geometry value from which the interior ring should be taken.</param><returns>The interior ring in this geometry value at the specified position, if it represents a polygon; otherwise null.</returns>
public:
System::Data::Spatial::DbGeometry ^ InteriorRingAt(int index);
public System.Data.Spatial.DbGeometry InteriorRingAt (int index);
member this.InteriorRingAt : int -> System.Data.Spatial.DbGeometry
Public Function InteriorRingAt (index As Integer) As DbGeometry
参数
- index
- Int32
索引。The index.
返回
特定位置的此 DbGeometry 值中的内环。An interior ring from this DbGeometry value at a specific position.