Export (0) Print
Expand All

Installer.BeforeInstall Event

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

[Visual Basic]
Public Event BeforeInstall As InstallEventHandler
[C#]
public event InstallEventHandler BeforeInstall;
[C++]
public: __event InstallEventHandler* BeforeInstall;

[JScript] In JScript, you can handle the events defined by a class, but you cannot define your own.

Event Data

The event handler receives an argument of type InstallEventArgs containing data related to this event. The following InstallEventArgs property provides information specific to this event.

Property Description
SavedState Gets an IDictionary that represents the current state of the installation.

Example

[Visual Basic, C#, C++] The following example demonstrates the BeforeInstall event. It is raised by the OnBeforeInstall method.

[Visual Basic] 
' 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

[C#] 
// MyInstaller is derived from the class 'Installer'.
MyInstaller() : base()
{
   BeforeInstall += new InstallEventHandler(BeforeInstallEventHandler);
}
private void BeforeInstallEventHandler(object sender, InstallEventArgs e)
{
   // Add steps to perform any actions before the install process.
   Console.WriteLine("Code for BeforeInstallEventHandler"); 
}

[C++] 
// MyInstaller is derived from the class 'Installer'.
MyInstaller() {
    BeforeInstall += new InstallEventHandler(this, &MyInstaller::BeforeInstallEventHandler);
}

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

[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

.NET Framework Security: 

See Also

Installer Class | Installer Members | System.Configuration.Install Namespace | AfterInstall | OnAfterInstall | OnBeforeInstall

Show:
© 2014 Microsoft