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Installer.OnBeforeRollback Method

Raises the BeforeRollback event.

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

protected virtual void OnBeforeRollback (
	IDictionary savedState
)
protected void OnBeforeRollback (
	IDictionary savedState
)
protected function OnBeforeRollback (
	savedState : IDictionary
)

Parameters

savedState

An IDictionary that contains the state of the computer before the installers in the Installers property are rolled back.

This method is called before the Rollback methods of the installers in this instance's InstallerCollection are called.

Raising an event invokes the event handler through a delegate. For more information, see Raising an Event.

The OnBeforeRollback method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

Notes to Inheritors When overriding OnBeforeRollback in a derived class, be sure to call the base class's OnBeforeRollback method so that registered delegates receive the event.

  • 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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