Replace InstallNow from AutomaticUpdaterAnswered

Hi there, 
I'm trying to update our app to use wyUpdater directly instead of AutomaticUpdater.  The only issue I'm hung up on is InstallNow's ability to automatically close the app's process while updating. Is it possible to recreate this functionality when using wyUpdater directly?  Or is the best option to close the app ourselves after starting wyUpdater?

Thanks!