共用方式為

DbSpatialServices.GeometryMultiPolygonFromBinary 方法

  • 發行項

[此頁面專屬於 Entity Framework 第 6 版。最新版本可從 'Entity Framework' NuGet 套件取得。如需 Entity Framework 的詳細資訊，請參閱 msdn.com/data/ef。]

根據指定的已知二進位值和座標系統識別項，建立新的 DbGeometry 多多邊形值。

命名空間：  System.Data.Entity.Spatial
組件：  EntityFramework (在 EntityFramework.dll 中)

語法

'宣告
<SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId := "multi",  _
    Justification := "Match OGC, EDM")> _
<SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId := "Multi",  _
    Justification := "Match OGC, EDM")> _
Public MustOverride Function GeometryMultiPolygonFromBinary ( _
    multiPolygonWellKnownBinary As Byte(), _
    coordinateSystemId As Integer _
) As DbGeometry
'用途
Dim instance As DbSpatialServices 
Dim multiPolygonWellKnownBinary As Byte()
Dim coordinateSystemId As Integer 
Dim returnValue As DbGeometry 

returnValue = instance.GeometryMultiPolygonFromBinary(multiPolygonWellKnownBinary, _
    coordinateSystemId)

[SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "multi", 
    Justification = "Match OGC, EDM")]
[SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Multi", 
    Justification = "Match OGC, EDM")]
public abstract DbGeometry GeometryMultiPolygonFromBinary(
    byte[] multiPolygonWellKnownBinary,
    int coordinateSystemId
)

[SuppressMessageAttribute(L"Microsoft.Naming", L"CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = L"multi", 
    Justification = L"Match OGC, EDM")]
[SuppressMessageAttribute(L"Microsoft.Naming", L"CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = L"Multi", 
    Justification = L"Match OGC, EDM")]
public:
virtual DbGeometry^ GeometryMultiPolygonFromBinary(
    array<unsigned char>^ multiPolygonWellKnownBinary, 
    int coordinateSystemId
) abstract

[<SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "multi", 
    Justification = "Match OGC, EDM")>]
[<SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Multi", 
    Justification = "Match OGC, EDM")>]
abstract GeometryMultiPolygonFromBinary : 
        multiPolygonWellKnownBinary:byte[] * 
        coordinateSystemId:int -> DbGeometry

public abstract function GeometryMultiPolygonFromBinary(
    multiPolygonWellKnownBinary : byte[], 
    coordinateSystemId : int
) : DbGeometry

參數

  • multiPolygonWellKnownBinary
    類型：System.Byte[]
    已知二進位值。
  • coordinateSystemId
    類型：System.Int32
    座標系統識別項。

傳回值

類型：System.Data.Entity.Spatial.DbGeometry
新的 DbGeometry 多多邊形值。

請參閱

參考

DbSpatialServices 類別

System.Data.Entity.Spatial 命名空間