STIsClosed 方法
Determines whether the start and end points of the calling SqlGeometry are the same.
命名空间： Microsoft.SqlServer.Types
程序集： Microsoft.SqlServer.Types（在 Microsoft.SqlServer.Types.dll 中）
语法
声明
<SqlMethodAttribute(IsDeterministic := True, IsPrecise := False)> _
Public Function STIsClosed As SqlBoolean
用法
Dim instance As SqlGeometry
Dim returnValue As SqlBoolean
returnValue = instance.STIsClosed()
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public SqlBoolean STIsClosed()
[SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)]
public:
SqlBoolean STIsClosed()
[<SqlMethodAttribute(IsDeterministic = true, IsPrecise = false)>]
member STIsClosed : unit -> SqlBoolean
public function STIsClosed() : SqlBoolean
返回值
类型：System.Data.SqlTypes. . :: . .SqlBoolean
Returns true if the start and end points of the given SqlGeometry instance are the same. Returns false if the instance is not closed, if any figures of the instance are points, or if the instance is empty.
Returns true for geometry collection types if each contained SqlGeometry instance is closed. Otherwise, false.
注释
All Polygon instances are considered closed.