UpDownBase.OnChanged(Object, EventArgs) 方法

定义

命名空间:

System.Windows.Forms

程序集:

System.Windows.Forms.dll

当在派生类中被重写时，引发 Changed 事件。

protected:
 virtual void OnChanged(System::Object ^ source, EventArgs ^ e);

protected virtual void OnChanged (object source, EventArgs e);

protected virtual void OnChanged (object? source, EventArgs e);

abstract member OnChanged : obj * EventArgs -> unit
override this.OnChanged : obj * EventArgs -> unit

Protected Overridable Sub OnChanged (source As Object, e As EventArgs)

参数

source

Object

事件源。

e

EventArgs

包含事件数据的 EventArgs。