BindableObject.OnPropertyChanging(String) 方法

定義

命名空間:

Microsoft.Maui.Controls

組件:

Microsoft.Maui.Controls.dll

來源:

BindableObject.cs

引發 PropertyChanging 事件。

protected virtual void OnPropertyChanging (string propertyName = default);

abstract member OnPropertyChanging : string -> unit
override this.OnPropertyChanging : string -> unit

Protected Overridable Sub OnPropertyChanging (Optional propertyName As String = Nothing)

參數

propertyName

String

正在變更的屬性名稱。