Installer.OnCommitting(IDictionary) 方法

定義

引發 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)

參數

savedState
IDictionary

IDictionary,包含 Installers 屬性中的安裝程式已認可之前的電腦狀態。

範例

下列範例示範 OnCommitting 類別的 Installer 方法。 方法 OnCommitting 會在衍生類別中覆寫。 系統會提供空間給使用者,以新增在認可之前和認可之後要執行的步驟。

   // 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

備註

這個方法會在執行這個實例InstallerCollection之安裝程式的方法之前Commit呼叫。

引發事件會透過委派叫用此事件處理常式。 如需詳細資訊,請參閱 處理和引發事件

方法 OnCommitting 可讓衍生類別處理事件,而不附加委派。 這是在衍生類別中處理事件的慣用技巧。

給繼承者的注意事項

當在衍生類別中覆寫 OnCommitting(IDictionary) 時,請確定呼叫基底類別的 OnCommitting(IDictionary) 方法,使已註冊的委派能接收到事件。

適用於

另請參閱