SqlGeometry.ToString 方法

Returns the Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation of a SqlGeometry instance 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 Overrides Function ToString As String
'用途
Dim instance As SqlGeometry 
Dim returnValue As String 

returnValue = instance.ToString()

[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public override string ToString()

[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public:
virtual String^ ToString() override

[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
abstract ToString : unit -> string 
[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
override ToString : unit -> string

public override function ToString() : String

傳回值

型別：System.String
A string value containing the WKT representation of the calling instance.

備註

This method will return the string "Null" when called on null instances.

請參閱

參考

SqlGeometry 類別

Microsoft.SqlServer.Types 命名空間