DbSpatialServices.GeometryMultiPolygonFromText 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 DbGeometry 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 GeometryMultiPolygonFromText ( _
multiPolygonKnownText As String, _
coordinateSystemId As Integer _
) As DbGeometry
'用途
Dim instance As DbSpatialServices
Dim multiPolygonKnownText As String
Dim coordinateSystemId As Integer
Dim returnValue As DbGeometry
returnValue = instance.GeometryMultiPolygonFromText(multiPolygonKnownText, _
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 DbGeometry GeometryMultiPolygonFromText(
string multiPolygonKnownText,
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 DbGeometry^ GeometryMultiPolygonFromText(
String^ multiPolygonKnownText,
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 GeometryMultiPolygonFromText :
multiPolygonKnownText:string *
coordinateSystemId:int -> DbGeometry
public abstract function GeometryMultiPolygonFromText(
multiPolygonKnownText : String,
coordinateSystemId : int
) : DbGeometry
參數
- multiPolygonKnownText
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.DbGeometry
新的 DbGeometry 多多邊形值。