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Installer.BeforeUninstall Event

Occurs before the installers in the Installers property perform their uninstall operations.

Namespace: System.Configuration.Install
Assembly: System.Configuration.Install (in system.configuration.install.dll)

public event InstallEventHandler BeforeUninstall
/** @event */
public void add_BeforeUninstall (InstallEventHandler value)

/** @event */
public void remove_BeforeUninstall (InstallEventHandler value)

JScript supports the use of events, but not the declaration of new ones.

The following example demonstrates the BeforeUninstall event. It is raised by the OnBeforeUninstall method.

// MyInstaller is derived from the class 'Installer'.
MyInstaller() : base()
{
   BeforeUninstall += new InstallEventHandler(BeforeUninstallEventHandler);

private void BeforeUninstallEventHandler(object sender, InstallEventArgs e)
{
   // Add steps to perform any actions before the Uninstall process.
   Console.WriteLine("Code for BeforeUninstallEventHandler"); 


// MyInstaller is derived from the class 'Installer'.
MyInstaller()
{
    this.add_BeforeUninstall(
        new InstallEventHandler(BeforeUninstallEventHandler));
 //MyInstaller

private void BeforeUninstallEventHandler(Object sender, InstallEventArgs e)
{
    // Add steps to perform any actions before the Uninstall process.
    Console.WriteLine("Code for BeforeUninstallEventHandler");
 //BeforeUninstallEventHandler

  • Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see .

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

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