SqlGeography.Long 屬性
Returns the longitude property of the geography instance.
命名空間： Microsoft.SqlServer.Types
組件： Microsoft.SqlServer.Types (在 Microsoft.SqlServer.Types.dll 中)
語法
'宣告
Public ReadOnly Property Long As SqlDouble
Get
'用途
Dim instance As SqlGeography
Dim value As SqlDouble
value = instance.Long
public SqlDouble Long { get; }
public:
property SqlDouble Long {
SqlDouble get ();
}
member Long : SqlDouble
function get Long () : SqlDouble
屬性值
型別：System.Data.SqlTypes.SqlDouble
A SqlDouble value that specifies the longitude.
備註
In the OpenGIS model, Long is defined only on geography instances composed of a single point. This property will return NULL if geography instances contain more than a single point. This property is precise and read-only.