Installer::BeforeRollback (Evento)

#using <System.dll>
#using <System.Configuration.Install.dll>

using namespace System;
using namespace System::Collections;
using namespace System::ComponentModel;
using namespace System::Configuration::Install;

// Set 'RunInstaller' attribute to true.

[RunInstaller(true)]
ref class MyInstallerClass: public Installer
{
public:
   MyInstallerClass()
   {

      // Attach the 'BeforeRollback' event.
      this->BeforeRollback += gcnew InstallEventHandler( this, &MyInstallerClass::MyInstaller_BeforeRollBack );

      // Attach the 'AfterRollback' event.
      this->AfterRollback += gcnew InstallEventHandler( this, &MyInstallerClass::MyInstaller_AfterRollback );
   }


private:

   // Event handler for 'BeforeRollback' event.
   void MyInstaller_BeforeRollBack( Object^ sender, InstallEventArgs^ e )
   {
      Console::WriteLine( "" );
      Console::WriteLine( "BeforeRollback Event occured." );
      Console::WriteLine( "" );
   }


   // Event handler for 'AfterRollback' event.
   void MyInstaller_AfterRollback( Object^ sender, InstallEventArgs^ e )
   {
      Console::WriteLine( "" );
      Console::WriteLine( "AfterRollback Event occured." );
      Console::WriteLine( "" );
   }


public:

   // Override the 'Install' method.
   virtual void Install( IDictionary^ savedState ) override
   {
      Installer::Install( savedState );

      // Explicitly throw an exception so that roll back is called.
      throw gcnew ArgumentException( "Arg Exception" );
   }


   // Override the 'Commit' method.
   virtual void Commit( IDictionary^ savedState ) override
   {
      Installer::Commit( savedState );
   }


   // Override the 'Rollback' method.
   virtual void Rollback( IDictionary^ savedState ) override
   {
      Installer::Rollback( savedState );
   }

};

int main()
{
   Console::WriteLine( "Usage : installutil.exe Installer_BeforeRollback.exe " );
}