DbSpatialServices.GeographyMultiPointFromText 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。]
根據指定的已知文字值和座標系統識別項,建立新的 DbGeography 多點值。
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", "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
'用途
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
參數
- multiPointWellKnownText
類型:System.String
已知文字值。
- 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 多點值。