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Sample Console Workflow

class Program
{
    static Updater _updater = null;

    static void Main(string[] args)
    {
        _updater = new Updater( new UpdaterSettings()
        {
            DownloadFolder = "patches",
            RuntimeExe = "myexe.exe",
            ServiceName = "W32Time",
            StartProcessAfterInstall = true,
            UpdateConfigUri = "http://foo.bar/updates/updateconfig.xml",
            WaitForExitMillseconds = 30000
        } );
        _updater.PropertyChanged += new PropertyChangedEventHandler( updater_PropertyChanged );

        _updater.InitializePatchStatus();

        bool runUpdate = false;
        if( _updater.Status.PatchIsValid )
            if( !_updater.Status.PatchIsMandatory )
            {
                Console.Write( "An update is available and ready to install.  Would you like to install now? " );
                char response = Convert.ToChar( Console.Read() );
                runUpdate = response == 'y';
            }
            else
                runUpdate = true;

        if( runUpdate )
            Task.Run( () =>
            {
                _updater.InstallExistingPatches( _updater.Status.ExeInfo.Name, _updater.Status.ExeInfo.FolderPath );
            } ).Wait();


        Console.WriteLine( "Update complete." );
    }

    static void updater_PropertyChanged(object sender, PropertyChangedEventArgs e)
    {
        if( e.PropertyName == "LogMessage" )
            Console.WriteLine( "{0}\t{1}", _updater.LogMessage.TimeStamp, _updater.LogMessage.Message );
    }
}

Sample Update Config

<UpdateConfig>
  <CurrentVersion>10.2.3.4</CurrentVersion>
  <IsMandatory>false</IsMandatory>
  <LastMandatoryVersion>1.2.3.0</LastMandatoryVersion>
  <PatchUri>http://foo.bar/updates/v10.2.3.4.zip</PatchUri>
  <PatchSizeBytes>8675309</PatchSizeBytes>
</UpdateConfig>