共用方式為


BindableObject.PropertyChanging 事件

定義

當屬性值變更中時發生。

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 

事件類型

適用於