Returns the total surface area of a SqlGeometry 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 Function STArea As SqlDouble
'用途
Dim instance As SqlGeometry
Dim returnValue As SqlDouble
returnValue = instance.STArea()
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public SqlDouble STArea()
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public:
SqlDouble STArea()
[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
member STArea : unit -> SqlDouble
public function STArea() : SqlDouble
傳回值
型別：System.Data.SqlTypes.SqlDouble
A SqlDouble value that represents the total surface area of the SqlGeometry.
備註
Returns 0 if the instance contains only 0- and 1-dimensional figures, or if it is empty.