MigrationColumnOperationEventData 建構函式
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
初始化 MigrationColumnOperationEventData 類別的新執行個體。
public MigrationColumnOperationEventData (Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase eventDefinition, Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase,Microsoft.EntityFrameworkCore.Diagnostics.EventData,string> messageGenerator, Microsoft.EntityFrameworkCore.Migrations.Operations.ColumnOperation columnOperation);
new Microsoft.EntityFrameworkCore.Diagnostics.MigrationColumnOperationEventData : Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase * Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase, Microsoft.EntityFrameworkCore.Diagnostics.EventData, string> * Microsoft.EntityFrameworkCore.Migrations.Operations.ColumnOperation -> Microsoft.EntityFrameworkCore.Diagnostics.MigrationColumnOperationEventData
Public Sub New (eventDefinition As EventDefinitionBase, messageGenerator As Func(Of EventDefinitionBase, EventData, String), columnOperation As ColumnOperation)
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。
- columnOperation
- ColumnOperation
資料行作業。