Installer.BeforeInstall Event

Occurs before the Install method of each installer in the installer collection has run.

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

'Declaration
Public Event BeforeInstall As InstallEventHandler
'Usage
Dim instance As Installer
Dim handler As InstallEventHandler

AddHandler instance.BeforeInstall, handler

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

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

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

The following example demonstrates the BeforeInstall event. It is raised by the OnBeforeInstall method.

' MyInstaller is derived from the class 'Installer'.
Sub New()
   MyBase.New()
   AddHandler BeforeInstall, AddressOf BeforeInstallEventHandler
End Sub 'New

Private Sub BeforeInstallEventHandler(sender As Object, e As InstallEventArgs)
   ' Add steps to perform any actions before the install process.
   Console.WriteLine("Code for BeforeInstallEventHandler")
End Sub 'BeforeInstallEventHandler

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

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


  • 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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