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Installer.OnBeforeUninstall Method

Raises the BeforeUninstall event.

Namespace:  System.Configuration.Install
Assembly:  System.Configuration.Install (in System.Configuration.Install.dll)
protected virtual void OnBeforeUninstall(
	IDictionary savedState
)

Parameters

savedState
Type: System.Collections.IDictionary

An IDictionary that contains the state of the computer before the installers in the Installers property uninstall their installations.

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

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

The OnBeforeUninstall method 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 OnBeforeUninstall in a derived class, be sure to call the base class's OnBeforeUninstall method so that registered delegates receive the event.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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