StateChangedEventData 构造函数
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
构造事件有效负载。
public StateChangedEventData (Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase eventDefinition, Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase,Microsoft.EntityFrameworkCore.Diagnostics.EventData,string> messageGenerator, Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry entityEntry, Microsoft.EntityFrameworkCore.EntityState oldState, Microsoft.EntityFrameworkCore.EntityState newState);
new Microsoft.EntityFrameworkCore.Diagnostics.StateChangedEventData : Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase * Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase, Microsoft.EntityFrameworkCore.Diagnostics.EventData, string> * Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry * Microsoft.EntityFrameworkCore.EntityState * Microsoft.EntityFrameworkCore.EntityState -> Microsoft.EntityFrameworkCore.Diagnostics.StateChangedEventData
Public Sub New (eventDefinition As EventDefinitionBase, messageGenerator As Func(Of EventDefinitionBase, EventData, String), entityEntry As EntityEntry, oldState As EntityState, newState As EntityState)
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
实体条目。
- oldState
- EntityState
旧状态。
- newState
- EntityState
新状态。