June 2001
Intermediate to advanced
706 pages
24h 10m
English
Content preview from Subclassing and Hooking with Visual BasicBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Part III. Hooking
This section devotes individual chapters to the following hooks:
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WH_CALLWNDPROC Intercepts messages sent using the SendMesssage API function
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WH_CALLWNDPROCRET Intercepts messages after they have been processed by their window procedure
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WH_CBT Used to create Computer Based Training (CBT) applications
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WH_DEBUG Intercepts calls to an installed hook’s filter function
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WH_FOREGROUNDIDLE Called when an application is about to enter an idle state
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WH_GETMESSAGE Intercepts posted (and not sent) messages
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WH_JOURNALPLAYBACK Posts prerecorded messages to the raw input thread’s message queue so that they may be processed (“played back”) by the system.
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WH_JOURNALRECORD Intercept mouse, keyboard, and other hardware messages received by the system
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WH_KEYBOARDandWH_KEYBOARD_LL Intercepts keyboard messages
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WH_MOUSEandWH_MOUSE_LL Intercept mouse messages
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WH_MSGFILTER Intercepts sent messages produced by menus, dialog boxes, message boxes, and scroll bars
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WH_SYSMSGFILTER Intercepts sent messages produced by menus, dialog boxes, message boxes, and scroll bars on a system-wide basis
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WH_SHELL Intercepts messages that notify an application of actions occurring to it either through user intervention or through a change in the system’s state
Each chapter will discuss a hook in detail. The chapters will begin by discussing the hook and providing relevant background information. I will use examples to aid in these discussions. Each chapter will end with a discussion of the problems ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.