SqlGeography.STMPolyFromText 方法
Returns a SqlGeography instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation, augmented with any Z (elevation) and M (measure) values carried by the instance.
命名空間: Microsoft.SqlServer.Types
組件: Microsoft.SqlServer.Types (在 Microsoft.SqlServer.Types.dll 中)
語法
'宣告
<SqlMethodAttribute(IsDeterministic := True, IsPrecise := False)> _
Public Shared Function STMPolyFromText ( _
multiPolygonTaggedText As SqlChars, _
srid As Integer _
) As SqlGeography
'用途
Dim multiPolygonTaggedText As SqlChars
Dim srid As Integer
Dim returnValue As SqlGeography
returnValue = SqlGeography.STMPolyFromText(multiPolygonTaggedText, _
srid)
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public static SqlGeography STMPolyFromText(
SqlChars multiPolygonTaggedText,
int srid
)
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public:
static SqlGeography^ STMPolyFromText(
SqlChars^ multiPolygonTaggedText,
int srid
)
[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
static member STMPolyFromText :
multiPolygonTaggedText:SqlChars *
srid:int -> SqlGeography
public static function STMPolyFromText(
multiPolygonTaggedText : SqlChars,
srid : int
) : SqlGeography
參數
- multiPolygonTaggedText
型別:System.Data.SqlTypes.SqlChars
The WKT representation of the SqlGeography MultiPolygon instance you wish to return.
- srid
型別:System.Int32
An int expression that represents the Spatial Reference ID (SRID) of the SqlGeography MultiPolygon instance you wish to return.
傳回值
型別:Microsoft.SqlServer.Types.SqlGeography
A SqlGeography value constructed from the specified WKT representation.
備註
This method throws a FormatException if the input is not well-formatted.