SqlSpatialFunctions.NumRings(DbGeography) 方法

定义

命名空间:

System.Data.Entity.SqlServer

程序集:

EntityFramework.SqlServer.dll

多边形实例中返回环总数。

[System.Data.Entity.DbFunction("SqlServer", "NUMRINGS")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", Justification="Naming convention prescribed by OGC specification", MessageId="Num")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId="geographyValue")]
public static Nullable<int> NumRings (System.Data.Entity.Spatial.DbGeography geographyValue);

static member NumRings : System.Data.Entity.Spatial.DbGeography -> Nullable<int>

Public Shared Function NumRings (geographyValue As DbGeography) As Nullable(Of Integer)

参数

geographyValue

DbGeography

地理值。

返回

Nullable<Int32>

环总数。

属性

DbFunctionAttribute SuppressMessageAttribute