MigrationColumnOperationEventData 构造函数

定义

初始化 MigrationColumnOperationEventData 类的新实例。

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)

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。

columnOperation
ColumnOperation

列操作。

适用于