Sams Teach Yourself Visual C++ in 21 Days, Fourth Edition,is your key to unlocking the power of Visual C++ for creating applications. Using the proven Sams Teach Yourself in 21 Days format, you'll be guided through all of the concepts associated with Visual C++. At the end of 21 days, you'll be well on your way to writing applications from scratch with OOP source code. With Sams Teach Yourself Visual C++ in 21 Days, Fourth Edition, you will: explore ActiveX controls and the Component Gallery; understand the essential principles of designing and developing programs in Visual C++; use the Visual C++ tools to create applications quickly; write successful, professional applications; and create your own ActiveX(TM) Controls.