BindableObject.PropertyChanging 事件

定义

在属性值更改时发生。

public:
 event Microsoft::Maui::Controls::PropertyChangingEventHandler ^ PropertyChanging;
public event Microsoft.Maui.Controls.PropertyChangingEventHandler PropertyChanging;
member this.PropertyChanging : Microsoft.Maui.Controls.PropertyChangingEventHandler 
Public Event PropertyChanging As PropertyChangingEventHandler 

事件类型

适用于