通过

INotifyPropertyChanging.PropertyChanging 事件

  • 参考

定义

命名空间:
System.ComponentModel
程序集:
System.dll, System.ObjectModel.dll
程序集:
System.ObjectModel.dll
程序集:
System.dll
程序集:
netstandard.dll

在属性值更改时发生。

public:
 event System::ComponentModel::PropertyChangingEventHandler ^ PropertyChanging;
event System.ComponentModel.PropertyChangingEventHandler PropertyChanging;
event System.ComponentModel.PropertyChangingEventHandler? PropertyChanging;
member this.PropertyChanging : System.ComponentModel.PropertyChangingEventHandler 
Event PropertyChanging As PropertyChangingEventHandler

事件类型

PropertyChangingEventHandler

适用于