CascadeDeleteOrphanEventData 构造函数

定义

命名空间:

Microsoft.EntityFrameworkCore.Diagnostics

程序集:

Microsoft.EntityFrameworkCore.dll

包:

Microsoft.EntityFrameworkCore v8.0.0

构造事件有效负载。

public CascadeDeleteOrphanEventData (Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase eventDefinition, Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase,Microsoft.EntityFrameworkCore.Diagnostics.EventData,string> messageGenerator, Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry entityEntry, Microsoft.EntityFrameworkCore.Metadata.IEntityType parentEntityTypes, Microsoft.EntityFrameworkCore.EntityState state);

new Microsoft.EntityFrameworkCore.Diagnostics.CascadeDeleteOrphanEventData : Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase * Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase, Microsoft.EntityFrameworkCore.Diagnostics.EventData, string> * Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry * Microsoft.EntityFrameworkCore.Metadata.IEntityType * Microsoft.EntityFrameworkCore.EntityState -> Microsoft.EntityFrameworkCore.Diagnostics.CascadeDeleteOrphanEventData

Public Sub New (eventDefinition As EventDefinitionBase, messageGenerator As Func(Of EventDefinitionBase, EventData, String), entityEntry As EntityEntry, parentEntityTypes As IEntityType, state As EntityState)

参数

eventDefinition

EventDefinitionBase

事件定义。

messageGenerator

Func<EventDefinitionBase,EventData,String>

生成此事件的日志消息的委托。

entityEntry

EntityEntry

要删除的实体的实体条目。

parentEntityTypes

IEntityType

关系被切断的实体类型。

state

EntityState

子级正在转换到的状态，通常为“已删除”。