OperationAction OperationAction OperationAction OperationAction Enum

定义

指定在删除 RelationshipType 的父 End 时可能进行的操作的列表。Specifies the list of possible actions when the parent End of the RelationshipType is deleted.

public enum class OperationAction
public enum OperationAction
type OperationAction = 
Public Enum OperationAction
继承
OperationActionOperationActionOperationActionOperationAction

字段

Cascade Cascade Cascade Cascade 1

删除父 End 时,也将删除其关联的子端。When a parent End is deleted, its associated child ends are deleted as well.

None None None None 0

只能删除父 EndOnly a parent End can be deleted.

Restrict Restrict Restrict Restrict 2

如果父端有一个或多个关联的子端,则不能删除父 EndA parent End cannot be deleted if it has one or more associated child ends.

适用于