Installer.AfterRollback Événement
Définition
Important
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Se produit après la restauration des installations de tous les programmes d'installation de la propriété Installers.
public:
event System::Configuration::Install::InstallEventHandler ^ AfterRollback;
public event System.Configuration.Install.InstallEventHandler AfterRollback;
member this.AfterRollback : System.Configuration.Install.InstallEventHandler
Public Custom Event AfterRollback As InstallEventHandler
Type d'événement
Exemples
L’exemple suivant illustre l’événement AfterRollback . Il remplace la Install méthode et lève explicitement un ArgumentException pour que la Rollback méthode soit appelée. Lorsque le Rollback est terminé, l’événement AfterRollback se produit et un message s’affiche.
#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
{
private:
// Event handler for 'AfterRollback' event.
void MyInstaller_AfterRollBack( Object^ sender, InstallEventArgs^ e )
{
Console::WriteLine( "AfterRollBack Event occurred." );
}
public:
MyInstallerClass()
{
// Attach the 'AfterRollback' event.
this->AfterRollback += gcnew InstallEventHandler( this, &MyInstallerClass::MyInstaller_AfterRollBack );
}
// 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_AfterRollback.exe " );
}
using System;
using System.Collections;
using System.ComponentModel;
using System.Configuration.Install;
// Set 'RunInstaller' attribute to true.
[RunInstaller(true)]
public class MyInstallerClass: Installer
{
public MyInstallerClass() :base()
{
// Attach the 'AfterRollback' event.
this.AfterRollback += new InstallEventHandler(MyInstaller_AfterRollBack);
}
// Event handler for 'AfterRollback' event.
private void MyInstaller_AfterRollBack(object sender, InstallEventArgs e)
{
Console.WriteLine("AfterRollBack Event occurred.");
}
// Override the 'Install' method.
public override void Install(IDictionary savedState)
{
base.Install(savedState);
// Explicitly throw an exception so that roll back is called.
throw new ArgumentException("Arg Exception");
}
// Override the 'Commit' method.
public override void Commit(IDictionary savedState)
{
base.Commit(savedState);
}
// Override the 'Rollback' method.
public override void Rollback(IDictionary savedState)
{
base.Rollback(savedState);
}
public static void Main()
{
Console.WriteLine("Usage : installutil.exe Installer_AfterRollback.exe ");
}
}
Imports System.Collections
Imports System.ComponentModel
Imports System.Configuration.Install
' Set 'RunInstaller' attribute to true.
<RunInstaller(True)> _
Public Class MyInstallerClass
Inherits Installer
Public Sub New()
MyBase.New()
' Attach the 'AfterRollback' event.
AddHandler Me.AfterRollback, AddressOf MyInstaller_AfterRollBack
End Sub
' Event handler for 'AfterRollback' event.
Private Sub MyInstaller_AfterRollBack(sender As Object, e As InstallEventArgs)
Console.WriteLine("")
Console.WriteLine("AfterRollBack Event occurred.")
Console.WriteLine("")
End Sub
' Override the 'Install' method.
Public Overrides Sub Install(savedState As IDictionary)
MyBase.Install(savedState)
' Explicitly throw an exception so that roll back is called.
Throw New ArgumentException("Arg Exception")
End Sub
' Override the 'Commit' method.
Public Overrides Sub Commit(savedState As IDictionary)
MyBase.Commit(savedState)
End Sub
' Override the 'Rollback' method.
Public Overrides Sub Rollback(savedState As IDictionary)
MyBase.Rollback(savedState)
End Sub
Public Shared Sub Main()
Console.WriteLine("Usage : installutil.exe Installer_AfterRollback.exe ")
End Sub
End Class