Application upgrade from VISUALBASIC6.0 to VISUALBASIC.NET

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Features: Visual Basic.NET provides powerful functionality and high flexibility, with a richer object model for data, forms, transactions, etc. However, applications must be upgraded before they can be compiled and run in the .NET environment. This book is a dedicated reference for upgrades, offering comprehensive and in-depth technical details for upgrading applications. It not only introduces many advanced features of Visual Basic.NET, such as inheritance and multithreading, but also provides suggestions and programming tips with code examples, explaining techniques to help you evaluate which projects are suitable for upgrading and which are suitable for running in the environment. This will help you smoothly migrate to the .NET environment and fully benefit from it. This book is part of the "Microsoft .NET Programmer Series" and primarily covers the various aspects involved in upgrading applications from Visual Basic 6.0 to Visual Basic.NET. It is a comprehensive reference book for code upgrades. The book is divided into five parts, with 21 chapters and two appendices. Part I provides an overview of the preparatory work needed before the upgrade; Part II explains how to upgrade applications and how to use COM interop for interoperability between Visual Basic 6 and Visual Basic.NET; Part III discusses how to handle various specific issues after the upgrade to ensure the application runs normally; Part IV focuses on how to continue developing applications after the upgrade; and the final part of the appendix lists the object and function mapping relationships between the two versions in full.