C# app to make screenshows

C# app need to be created that hosts an IE webbrowser control, loads a page and saves a screenshot of it. The app closes itself after the screenshot was successfully taken. The screenshot should not have anything else than the browser content in it. The app needs to accept the following parameters: - url - filename - time between loading the page and making screenshot - size of webbrowser - optional config file which will have the 4 parameters above in a text-file for multiple screenshots per batch mode