通过

ReferenceChangedEventData 构造函数

  • 参考

定义

命名空间:
Microsoft.EntityFrameworkCore.Diagnostics
程序集:
Microsoft.EntityFrameworkCore.dll
包:
Microsoft.EntityFrameworkCore v2.1.11
包:
Microsoft.EntityFrameworkCore v2.2.6
包:
Microsoft.EntityFrameworkCore v3.0.0
包:
Microsoft.EntityFrameworkCore v3.1.0
包:
Microsoft.EntityFrameworkCore v5.0.0
包:
Microsoft.EntityFrameworkCore v6.0.0
包:
Microsoft.EntityFrameworkCore v7.0.0
包:
Microsoft.EntityFrameworkCore v8.0.0

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);
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。

适用于