ApplicationSettingsBase.OnSettingChanging 方法

定义

命名空间:

System.Configuration

程序集:

System.Configuration.ConfigurationManager.dll

包:

System.Configuration.ConfigurationManager v8.0.0

Source:

ApplicationSettingsBase.cs

引发 SettingChanging 事件。

protected:
 virtual void OnSettingChanging(System::Object ^ sender, System::Configuration::SettingChangingEventArgs ^ e);

protected virtual void OnSettingChanging (object sender, System.Configuration.SettingChangingEventArgs e);

abstract member OnSettingChanging : obj * System.Configuration.SettingChangingEventArgs -> unit
override this.OnSettingChanging : obj * System.Configuration.SettingChangingEventArgs -> unit

Protected Overridable Sub OnSettingChanging (sender As Object, e As SettingChangingEventArgs)

参数

sender

Object

事件源。

e

SettingChangingEventArgs

包含事件数据的 SettingChangingEventArgs。

注解

引发事件时，将通过委托调用事件处理程序。 有关详细信息，请参阅 处理和引发事件。

OnSettingChanging 方法还允许派生类对事件进行处理而不必附加委托。 这是在派生类中处理事件的首选技术。

继承者说明

在派生类中重写 OnSettingChanging(Object, SettingChangingEventArgs) 时，一定要调用基类的 OnSettingChanging(Object, SettingChangingEventArgs) 方法，以便已注册的委托对事件进行接收。

另请参阅

• SettingChanging
• OnSettingsLoaded(Object, SettingsLoadedEventArgs)
• OnSettingsSaving(Object, CancelEventArgs)