About the Author Dan Clark is a Microsoft Most Valued Professional (MVP), Microsoft Certified Trainer, Microsoft Certified Solution Developer, and Microsoft Certified Database Administrator. For the last 7 years, he has been developing applications and training others how to develop applications using Microsoft technologies. Dan's training experience runs the gamut from training novice programmers to training experienced developers on the nuances of COM programming. He finds particular satisfaction in turning new developers on to the thrill of developing and designing object-oriented applications.