The official way to create user interfaces for the Windows operating system changed quite a lot of times during the last years. Microsoft created and (partially or fully) abadoned a lot of APIs which where intended to replace the respective previous ones. They changed names and ways how it's supposed to be done a few times, and left a lof of developers confused. Here is a small historical overview: Win32 - 1985 Win32 is the Windows built-in API. Using it you can create buttons, windows, scrollba...