通过

IEntityChangeTracker.EntityComplexMemberChanging 方法

  • 项目

[本页针对的是实体框架版本 6。最新版本以“实体框架”NuGet 包的形式提供。有关实体框架的更多信息，请参见 msdn.com/data/ef。]

通知更改跟踪器，复杂属性更改挂起。

命名空间：  System.Data.Entity.Core.Objects.DataClasses
程序集：  EntityFramework（在 EntityFramework.dll 中）

语法

声明
<SuppressMessageAttribute("Microsoft.Naming", "CA1720:IdentifiersShouldNotContainTypeNames", MessageId := "object")> _
Sub EntityComplexMemberChanging ( _
    entityMemberName As String, _
    complexObject As Object, _
    complexObjectMemberName As String _
)
用法
Dim instance As IEntityChangeTracker 
Dim entityMemberName As String 
Dim complexObject As Object 
Dim complexObjectMemberName As String

instance.EntityComplexMemberChanging(entityMemberName, _
    complexObject, complexObjectMemberName)

[SuppressMessageAttribute("Microsoft.Naming", "CA1720:IdentifiersShouldNotContainTypeNames", MessageId = "object")]
void EntityComplexMemberChanging(
    string entityMemberName,
    Object complexObject,
    string complexObjectMemberName
)

[SuppressMessageAttribute(L"Microsoft.Naming", L"CA1720:IdentifiersShouldNotContainTypeNames", MessageId = L"object")]
void EntityComplexMemberChanging(
    String^ entityMemberName, 
    Object^ complexObject, 
    String^ complexObjectMemberName
)

[<SuppressMessageAttribute("Microsoft.Naming", "CA1720:IdentifiersShouldNotContainTypeNames", MessageId = "object")>]
abstract EntityComplexMemberChanging : 
        entityMemberName:string * 
        complexObject:Object * 
        complexObjectMemberName:string -> unit

function EntityComplexMemberChanging(
    entityMemberName : String, 
    complexObject : Object, 
    complexObjectMemberName : String
)

参数

  • entityMemberName
    类型：System.String
    要更改的顶级实体属性的名称。
  • complexObject
    类型：System.Object
    包含要更改的属性的复杂类型。
  • complexObjectMemberName
    类型：System.String
    复杂类型上要更改的属性的名称。

请参阅

参考

IEntityChangeTracker 接口

System.Data.Entity.Core.Objects.DataClasses 命名空间