共用方式為

ReferenceChangedEventData 建構函式

  • 參考

定義

命名空間:
Microsoft.EntityFrameworkCore.Diagnostics
組件:
Microsoft.EntityFrameworkCore.dll
套件:
Microsoft.EntityFrameworkCore v2.1.11
套件:
Microsoft.EntityFrameworkCore v2.2.6
套件:
Microsoft.EntityFrameworkCore v3.0.0
套件:
Microsoft.EntityFrameworkCore v3.1.0
套件:
Microsoft.EntityFrameworkCore v5.0.0
套件:
Microsoft.EntityFrameworkCore v6.0.0
套件:
Microsoft.EntityFrameworkCore v7.0.0
套件:
Microsoft.EntityFrameworkCore v8.0.0

建構事件承載。

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)

參數

eventDefinition
EventDefinitionBase

事件定義。

messageGenerator
Func<EventDefinitionBase,EventData,String>

產生此事件的記錄訊息的委派。

entityEntry
EntityEntry

屬性值已變更之實體實例的專案。

navigation
INavigation

瀏覽屬性。

oldReferencedEntity
Object

舊的參考實體。

newReferencedEntity
Object

新的參考實體。

適用於