Slight optimization required for open source winsock app

Attached is the program that needs optimization :) The name of the program is Proxyrama, an open source app that is no longer in development. The app uses 100% cpu after a little while when verifying proxies, and I think the majority of the reason why is due to the updating of the listview. All I need is for this to be optimized (ie a button that could hide/show the listview for example) or any additional changes that would make the app work more efficiently. I only use the 'socks4' option and any code related to that is the only area that needs to be optimized. As well, if possible, please change MAXTHREADS from 1000 to 2000 in the source code :). Thank you :) ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Windows XP