ObservableHashSet<T>.PropertyChanging 事件

参考

定义

命名空间:: Microsoft.EntityFrameworkCore.ChangeTracking

程序集:: Microsoft.EntityFrameworkCore.dll

包:: Microsoft.EntityFrameworkCore v1.0.6

包:: Microsoft.EntityFrameworkCore v1.1.6

包:: Microsoft.EntityFrameworkCore v2.0.3

包:: Microsoft.EntityFrameworkCore v2.1.11

包:: Microsoft.EntityFrameworkCore v2.2.6

包:: Microsoft.EntityFrameworkCore v3.0.0

包:: Microsoft.EntityFrameworkCore v3.1.0

包:: Microsoft.EntityFrameworkCore v5.0.0

包:: Microsoft.EntityFrameworkCore v6.0.0

包:: Microsoft.EntityFrameworkCore v7.0.0

包:: Microsoft.EntityFrameworkCore v8.0.0

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。

此哈希集的属性 (（如 Count) ）更改时发生。

public virtual event System.ComponentModel.PropertyChangingEventHandler PropertyChanging;

public virtual event System.ComponentModel.PropertyChangingEventHandler? PropertyChanging;

public event System.ComponentModel.PropertyChangingEventHandler? PropertyChanging;

member this.PropertyChanging : System.ComponentModel.PropertyChangingEventHandler

Public Overridable Event PropertyChanging As PropertyChangingEventHandler

Public Event PropertyChanging As PropertyChangingEventHandler

事件类型

PropertyChangingEventHandler

实现

PropertyChanging

适用于