通过

Z 属性

Gets the Z (elevation) value of the instance. The semantics of the elevation value are user-defined.

命名空间：  Microsoft.SqlServer.Types
程序集：  Microsoft.SqlServer.Types（在 Microsoft.SqlServer.Types.dll 中）

语法

声明
Public ReadOnly Property Z As SqlDouble
    Get
用法
Dim instance As SqlGeography
Dim value As SqlDouble

value = instance.Z

public SqlDouble Z { get; }

public:
property SqlDouble Z {
    SqlDouble get ();
}

member Z : SqlDouble

function get Z () : SqlDouble

属性值

类型：System.Data.SqlTypes. . :: . .SqlDouble
A SqlDouble value that represents the elevation of the instance.

注释

The value of this property is null if the geography instance is not a point, as well as for any Point instance for which it is not set.

This property is read-only.

Z-coordinates are not used in any calculations made by the library and are not carried through any library calculations.