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Subclassing and Hooking with Visual Basic: Harnessing the Full Power of VB/VB.NET,Used
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Subclassing & Hooking with Visual Basic offers developers a unique way to customize Windows behavior. Windows is a messagebased system. Every action you request creates one or more messages to carry out the action. These messages are passed between objects and carry with them information that gives the recipient more detail on how to interpret and act upon the message. With Subclassing and the Windows hooking mechanism ('hooks'), you can manipulate, modify, or even discard messages bound for other objects within the operating system, in the process changing the way the system behaves. What kinds of results can you achieve using the power of subclassing and hooking? Here are just a few of the possibilities: Determine when a window is being activated or deactivated and respond to this change. Display descriptions of menu items as the mouse moves across them. Disallow a user to move or resize a window. Determine where the mouse cursor is and respond accordingly. Determine when the display resolution has been changed. Monitor the system for a low system resource condition. Modify or disallow keystrokes sent to a window or a control. Create an automated testing application. Determine when an application is idle. Along with this power comes responsibility; Windows is very unforgiving if subclassing and hooking are used incorrectly. Subclassing & Hooking with Visual Basic demonstrates the various techniques for intercepting messages bound for one or more windows or controls: the intercepted message can be left in its original state or modified; afterwards, the message can be sent to its original destination or discarded. For both VB 6 and VB.NET developers, Subclassing & Hooking with Visual Basic opens up a wealth of possibilities that ordinarily would be completely unavailable, or at least not easy to implement.
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- Q: What is the main focus of 'Subclassing and Hooking with Visual Basic'? A: The book focuses on teaching developers how to customize Windows behavior through subclassing and hooking techniques, enabling them to manipulate, modify, or discard Windows messages.
- Q: Who is the author of this book? A: The author of 'Subclassing and Hooking with Visual Basic' is Stephen Teilhet.
- Q: Is this book suitable for beginners in Visual Basic? A: While the book provides valuable insights and techniques, it is more suitable for developers with some prior knowledge of Visual Basic or VB.NET, as it covers advanced concepts.
- Q: What are some practical applications of subclassing and hooking? A: Practical applications include monitoring window activation, customizing menu item descriptions, controlling window resizing, and creating automated testing applications.
- Q: What is the condition of the book? A: The book is listed as 'Used Book in Good Condition'.
- Q: How many pages does this book contain? A: The book contains 704 pages.
- Q: What is the binding type of this book? A: The book is available in paperback binding.
- Q: When was this book published? A: The book was published on July 24, 2001.
- Q: Is this book relevant for VB.NET developers? A: Yes, 'Subclassing and Hooking with Visual Basic' is relevant for both VB 6 and VB.NET developers, offering techniques applicable to both environments.
- Q: What precautions should be taken when using subclassing and hooking? A: Developers should be cautious when using subclassing and hooking, as improper use can lead to system instability or crashes.