BindableObject.OnPropertyChanging(String) 方法

定义

命名空间:

Microsoft.Maui.Controls

程序集:

Microsoft.Maui.Controls.dll

引发 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)

参数

propertyName

String

要更改的属性的名称。