It is difficult to just throw out all existing code and start over when a new technology arrives. That's the situation with Microsoft .NET, which represents a new and improved way of developing software for the Windows platform. Wouldn't you would love to rewrite all of your existing code in the newer managed code environment that .NET provides? However, you have that little problem known as legacy code. Fortunately, Microsoft .NET provides a rich set of tools interoperation with existing code. This book is written as a guide for Windows developers transitioning from native Windows code to .NET managed code.