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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Name
Public Const WM_SYSCHAR = &H106
Synopsis
-
wParam Contains the virtual key code of the key pressed.
-
lParam Contains bit flags for the key pressed. The bit flags are as follows:
- 0-15
Number of times the key is repeated
- 16-23
Scan code
- 24
Indicates if the key pressed is an extended key
- 25-28
Reserved
- 29
1 if the ALT key is pressed along with this key; 0 otherwise
- 30
The previous key state; 1 if the key was already pressed before this message was posted, 0 otherwise
- 31
1 if the key is released; 0 otherwise
- Description
Posted to a window to indicate that a system key was pressed (a system key is the F10 key or one that is pressed while the ALT key is being pressed).
- Return Value
0 only if the application processes this message.
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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.
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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.