In Windows Forms applications, we often need to perform some complex processing in the background, while still continuing with other tasks, such as monitoring user input and updating the user interface. For example, if you think of a web browser, it fetches and renders a web page without the main form hanging, so we can still press the Stop or Back buttons without waiting for the current page to load. This is achieved through asynchronous processing; that is, processing that takes advantage of Windows' multi-threading abilities to perform (as it appears to the user) two tasks at the same time.… Read more
