ApplicationSettingsBase.OnSettingChanging 方法

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

注解

引发事件会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。

该方法 OnSettingChanging 还允许派生类在不附加委托的情况下处理事件。 这是处理派生类中的事件的首选技术。

继承者说明

在派生类中重写 OnSettingChanging(Object, SettingChangingEventArgs) 时，请务必调用基类的方法，以便已注册的 OnSettingChanging(Object, SettingChangingEventArgs) 委托接收事件。

另请参阅

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