DbSpatialServices.GeographyMultiPolygonFromBinary 方法
[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 DbGeography 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 GeographyMultiPolygonFromBinary ( _
multiPolygonWellKnownBinary As Byte(), _
coordinateSystemId As Integer _
) As DbGeography
'用途
Dim instance As DbSpatialServices
Dim multiPolygonWellKnownBinary As Byte()
Dim coordinateSystemId As Integer
Dim returnValue As DbGeography
returnValue = instance.GeographyMultiPolygonFromBinary(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 DbGeography GeographyMultiPolygonFromBinary(
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 DbGeography^ GeographyMultiPolygonFromBinary(
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 GeographyMultiPolygonFromBinary :
multiPolygonWellKnownBinary:byte[] *
coordinateSystemId:int -> DbGeography
public abstract function GeographyMultiPolygonFromBinary(
multiPolygonWellKnownBinary : byte[],
coordinateSystemId : int
) : DbGeography
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.DbGeography
新的 DbGeography 多多邊形值。