Async is a multi-threaded activex control that gives visual basic developers the ability to easiily create multi-threaded applications and components without the complexities normally involved. Async provides ALL the features needed to create a professional multi-threaded application. Error events, process completion events and communication events are provided for each thread. Priority can be set for each thread. Includes a detailed help file (including some basic information on multi-threading), comprehensive example programs, a royalty-free re-distributable setup program and license to distribute your applications and / or components royalty-free. Compatible with all 32 bit Windows operating systems. Works with MS Visual Basic versions 5 and 6. Free support and upgrades to registered users. 30 day money back guarantee.