Installer.OnCommitting(IDictionary) 方法

定义

引发 Committing 事件。

protected:
 virtual void OnCommitting(System::Collections::IDictionary ^ savedState);
protected virtual void OnCommitting (System.Collections.IDictionary savedState);
abstract member OnCommitting : System.Collections.IDictionary -> unit
override this.OnCommitting : System.Collections.IDictionary -> unit
Protected Overridable Sub OnCommitting (savedState As IDictionary)

参数

savedState
IDictionary

IDictionary 包含提交 Installers 属性中的安装程序之前计算机的状态。

示例

下面的示例演示 OnCommitting 类的 Installer 方法。 方法 OnCommitting 在派生类中被重写。 为用户提供了空间,以添加在提交之前和提交后要执行的步骤。

   // Override the 'OnCommitting' method.
protected:
   virtual void OnCommitting( IDictionary^ savedState ) override
   {
      Installer::OnCommitting( savedState );
      
      // Add steps to be done before committing an application.
      Console::WriteLine( "The OnCommitting method of MyInstaller called" );
   }
// Override the 'OnCommitting' method.
protected override void OnCommitting(IDictionary savedState)
{
   base.OnCommitting(savedState);
   // Add steps to be done before committing an application.
   Console.WriteLine("The OnCommitting method of MyInstaller called");
}
' Override the 'OnCommitting' method.
Protected Overrides Sub OnCommitting(savedState As IDictionary)
   MyBase.OnCommitting(savedState)
   ' Add steps to be done before committing an application.
   Console.WriteLine("The OnCommitting method of MyInstaller called")
End Sub

注解

在运行此实例InstallerCollection的安装程序的方法之前Commit调用此方法。

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

方法 OnCommitting 允许派生类在不附加委托的情况下处理 事件。 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 OnCommitting(IDictionary) 时,一定要调用基类的 OnCommitting(IDictionary) 方法,以便已注册的委托对事件进行接收。

适用于

另请参阅