通过

DbSpatialServices.GeographyMultiPolygonFromBinary 方法

  • 项目

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基于指定的已知二进制值和坐标系标识符，创建一个新的 DbGeography 多多边形值。

命名空间：  System.Data.Entity.Spatial
程序集：  EntityFramework（在 EntityFramework.dll 中）

语法

声明
<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
用法
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

参数

  • multiPolygonWellKnownBinary
    类型：System.Byte[]
    已知的二进制值。
  • coordinateSystemId
    类型：System.Int32
    坐标系标识符。

返回值

类型：System.Data.Entity.Spatial.DbGeography
新 DbGeography 多边形值。

请参阅

参考

DbSpatialServices 类

System.Data.Entity.Spatial 命名空间