Windows_API - hpgDesigns/hpgdesigns-dev.io GitHub Wiki
This article is an overview of the Windows API.
Media Control Interface
MCI was used in the older Game Maker versions to provide the CD functions and actions, they exist in ENIGMA through the extension by the same name. http://msdn.microsoft.com/en-us/library/windows/desktop/dd757151%28v=vs.85%29.aspx