Divided into three sections, the book discusses the foundations of interface design, the construction of a feature-rich interface library, and the creation of a fully functional media player in DirectShow. With this text, the reader will: Learn about the building blocks of good, solid interfaces. Design and implement controls in DirectX. Build a reusable interface library. Learn how to use Direct3D to create and display 2D and 3D worlds. Use DirectInput to read data from input peripherals. Play MP3 music files, MPG movies, and other media with DirectShow. Understand linked lists, absolute positioning, alpha blending, and more. Bring together the theory and practical code to create a working media player.