ActiveX controls are similar to Xtras in that they can expand the capabilities of Director movies. You can use them to add interface elements (such as menus and sliders), to import a variety of file types, and to interact with other programs from within a Director movie.
Many ActiveX controls come installed on PCs as part of the Windows operating system. Others are available for purchase from third-party developers. Unlike Xtras, ActiveX controls are neither developed by nor supported by Macromedia.
ActiveX controls have several restrictions that may limit their usefulness :
To add an ActiveX control to a movie (Windows only):