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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.

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