DbSpatialServices.GeographyMultiPointFromText 方法
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基于指定的已知文本值和坐标系标识符，创建一个新的 DbGeography 多点值。
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", "CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId := "MultiPoint", _
Justification := "Match OGC, EDM")> _
<SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId := "multi", _
Justification := "Match OGC, EDM")> _
<SuppressMessageAttribute("Microsoft.Naming", "CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId := "multiPoint", _
Justification := "Match OGC, EDM")> _
Public MustOverride Function GeographyMultiPointFromText ( _
multiPointWellKnownText As String, _
coordinateSystemId As Integer _
) As DbGeography
用法
Dim instance As DbSpatialServices
Dim multiPointWellKnownText As String
Dim coordinateSystemId As Integer
Dim returnValue As DbGeography
returnValue = instance.GeographyMultiPointFromText(multiPointWellKnownText, _
coordinateSystemId)
[SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Multi",
Justification = "Match OGC, EDM")]
[SuppressMessageAttribute("Microsoft.Naming", "CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId = "MultiPoint",
Justification = "Match OGC, EDM")]
[SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "multi",
Justification = "Match OGC, EDM")]
[SuppressMessageAttribute("Microsoft.Naming", "CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId = "multiPoint",
Justification = "Match OGC, EDM")]
public abstract DbGeography GeographyMultiPointFromText(
string multiPointWellKnownText,
int coordinateSystemId
)
[SuppressMessageAttribute(L"Microsoft.Naming", L"CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = L"Multi",
Justification = L"Match OGC, EDM")]
[SuppressMessageAttribute(L"Microsoft.Naming", L"CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId = L"MultiPoint",
Justification = L"Match OGC, EDM")]
[SuppressMessageAttribute(L"Microsoft.Naming", L"CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = L"multi",
Justification = L"Match OGC, EDM")]
[SuppressMessageAttribute(L"Microsoft.Naming", L"CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId = L"multiPoint",
Justification = L"Match OGC, EDM")]
public:
virtual DbGeography^ GeographyMultiPointFromText(
String^ multiPointWellKnownText,
int coordinateSystemId
) abstract
[<SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Multi",
Justification = "Match OGC, EDM")>]
[<SuppressMessageAttribute("Microsoft.Naming", "CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId = "MultiPoint",
Justification = "Match OGC, EDM")>]
[<SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "multi",
Justification = "Match OGC, EDM")>]
[<SuppressMessageAttribute("Microsoft.Naming", "CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId = "multiPoint",
Justification = "Match OGC, EDM")>]
abstract GeographyMultiPointFromText :
multiPointWellKnownText:string *
coordinateSystemId:int -> DbGeography
public abstract function GeographyMultiPointFromText(
multiPointWellKnownText : String,
coordinateSystemId : int
) : DbGeography
参数
- multiPointWellKnownText
类型：System.String
已知的文本值。
- coordinateSystemId
类型：System.Int32
坐标系标识符。
返回值
类型：System.Data.Entity.Spatial.DbGeography
新 DbGeography 多点值。