SqlSpatialServices.GeographyMultiPolygonFromBinary 方法
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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.SqlServer
組件： EntityFramework.SqlServer (在 EntityFramework.SqlServer.dll 中)
語法
'宣告
Public Overrides Function GeographyMultiPolygonFromBinary ( _
multiPolygonWellKnownBinary As Byte(), _
coordinateSystemId As Integer _
) As DbGeography
'用途
Dim instance As SqlSpatialServices
Dim multiPolygonWellKnownBinary As Byte()
Dim coordinateSystemId As Integer
Dim returnValue As DbGeography
returnValue = instance.GeographyMultiPolygonFromBinary(multiPolygonWellKnownBinary, _
coordinateSystemId)
public override DbGeography GeographyMultiPolygonFromBinary(
byte[] multiPolygonWellKnownBinary,
int coordinateSystemId
)
public:
virtual DbGeography^ GeographyMultiPolygonFromBinary(
array<unsigned char>^ multiPolygonWellKnownBinary,
int coordinateSystemId
) override
abstract GeographyMultiPolygonFromBinary :
multiPolygonWellKnownBinary:byte[] *
coordinateSystemId:int -> DbGeography
override GeographyMultiPolygonFromBinary :
multiPolygonWellKnownBinary:byte[] *
coordinateSystemId:int -> DbGeography
public override 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。