共用方式為

DbSpatialServices.GeographyMultiPolygonFromText(String, Int32) 方法

  • 參考

定義

命名空間:
System.Data.Spatial
組件:
System.Data.Entity.dll

根據所指定已知文字值與座標系統識別項，建立新的 DbGeography 多多邊形值。

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

參數

multiPolygonWellKnownText
String

已知的文字值。

coordinateSystemId
Int32

座標系統識別項。

傳回

DbGeography

新的 DbGeography 多多邊形值。

適用於