System.Messaging Reference (Document! X Sample)
Rollback Method



System.Messaging Namespace > MessageQueueInstaller Class : Rollback Method
An System.Collections.IDictionary that contains the pre-installation state of the computer.
When overridden in a derived class, restores the pre-installation state of the computer.
Syntax
'Declaration
 
Public Overrides Sub Rollback( _
   ByVal savedState As IDictionary _
) 
'Usage
 
Dim instance As MessageQueueInstaller
Dim savedState As IDictionary
 
instance.Rollback(savedState)
public override void Rollback( 
   IDictionary savedState
)
public:
void Rollback( 
   IDictionary^ savedState
) override 

Parameters

savedState
An System.Collections.IDictionary that contains the pre-installation state of the computer.
Exceptions
ExceptionDescription
The savedState parameter is null.-or- The saved-state System.Collections.IDictionary might have been corrupted.
An exception occurred during the System.Configuration.Install.Installer.Rollback(System.Collections.IDictionary) phase of the installation. This exception is ignored and the rollback continues. However, the computer might not be fully reverted to its initial state after the rollback completes.
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

MessageQueueInstaller Class
MessageQueueInstaller Members
Base Implementation in Rollback