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_KEYUP = &H101
Synopsis
-
wParam Contains the virtual key code of the key released.
-
lParam Contains bit flags for the key released. The bit flags are defined 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
Always 0 for
WM_KEYUPmessages- 30
Always 1 for
WM_KEYUPmessages- 31
Always 1 for
WM_KEYUPmessages
- Description
Posted to a window to indicate that a nonsystem key was pressed (a nonsystem key is one that is pressed while the ALT key is not being pressed).
- Return Value
0 only if the application processes this message.
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