MigrationColumnOperationEventData 构造函数
定义
重要
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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。