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Installer.OnBeforeUninstall Method (IDictionary)


Raises the BeforeUninstall event.

Namespace:   System.Configuration.Install
Assembly:  System.Configuration.Install (in System.Configuration.Install.dll)

protected virtual void OnBeforeUninstall(
	IDictionary 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 Handling and Raising Events.

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
Available since 1.1
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