INotifyPropertyChanging.PropertyChanging 事件

定義

當屬性值變更中時發生。Occurs when a property value is changing.

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

適用於