ReferenceChangedEventData 构造函数

定义

命名空间:

Microsoft.EntityFrameworkCore.Diagnostics

程序集:

Microsoft.EntityFrameworkCore.dll

包:

Microsoft.EntityFrameworkCore v9.0.0

Source:

ReferenceChangedEventData.cs

构造事件有效负载。

public ReferenceChangedEventData (Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase eventDefinition, Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase,Microsoft.EntityFrameworkCore.Diagnostics.EventData,string> messageGenerator, Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry entityEntry, Microsoft.EntityFrameworkCore.Metadata.INavigation navigation, object? oldReferencedEntity, object? newReferencedEntity);

new Microsoft.EntityFrameworkCore.Diagnostics.ReferenceChangedEventData : Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase * Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase, Microsoft.EntityFrameworkCore.Diagnostics.EventData, string> * Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry * Microsoft.EntityFrameworkCore.Metadata.INavigation * obj * obj -> Microsoft.EntityFrameworkCore.Diagnostics.ReferenceChangedEventData

Public Sub New (eventDefinition As EventDefinitionBase, messageGenerator As Func(Of EventDefinitionBase, EventData, String), entityEntry As EntityEntry, navigation As INavigation, oldReferencedEntity As Object, newReferencedEntity As Object)

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

属性值已更改的实体实例的条目。

navigation

INavigation

导航属性。

oldReferencedEntity

Object

引用的旧实体。

newReferencedEntity

Object

新引用的实体。