DbSpatialServices.GeographyCollectionFromText(String, Int32) 方法

定义

创建基于指定已知文本值和坐标系统标识符 (SRID) 的新 DbGeography 集合值。

public:
 abstract System::Data::Spatial::DbGeography ^ GeographyCollectionFromText(System::String ^ geographyCollectionWellKnownText, int coordinateSystemId);
public abstract System.Data.Spatial.DbGeography GeographyCollectionFromText (string geographyCollectionWellKnownText, int coordinateSystemId);
abstract member GeographyCollectionFromText : string * int -> System.Data.Spatial.DbGeography
Public MustOverride Function GeographyCollectionFromText (geographyCollectionWellKnownText As String, coordinateSystemId As Integer) As DbGeography

参数

geographyCollectionWellKnownText
String

包含知名地理值的文本表示形式的字符串。

coordinateSystemId
Int32

新建 DbGeography 值应使用的坐标系的标识符。

返回

通过指定坐标系统标识符 (SRID) 由知名文本值定义的新的 DbGeographyDefaultCoordinateSystemId

例外

geographyCollectionWellKnownText

coordinateSystemId

适用于