[New for Windows NT 4.0 Service Pack 3.]
The KBDLLHOOKSTRUCT structure contains information about a low-level keyboard input event.
typedef struct tagKBDLLHOOKSTRUCT { DWORD vkCode; // virtual key code DWORD scanCode; // scan code DWORD flags; // flags DWORD time; // time stamp for this message DWORD dwExtraInfo; // extra info from the driver or keybd_event } KBDLLHOOKSTRUCT, FAR *LPKBDLLHOOKSTRUCT, *PKBDLLHOOKSTRUCT;
Value |
Description |
0 |
Specifies whether the key is an extended key, such as a function key or a key on the numeric keypad. The value is 1 if the key is an extended key; otherwise, it is 0. |
1-3 |
Reserved. |
4 |
Specifies whether the event was injected. The value is 1 if the event was injected; otherwise, it is 0. |
5 |
Specifies the context code. The value is 1 if the ALT key is pressed; otherwise, it is 0. |
6 |
Reserved. |
7 |
Specifies the transition state. The value is 0 if the key is pressed and 1 if it is being released. |
An application can use the following values to test the keystroke flags:
Value |
Purpose |
LLKHF_EXTENDED |
Test the extended-key flag. |
LLKHF_INJECTED |
Test the event-injected flag. |
LLKHF_ALTDOWN |
Test the context code. |
LLKHF_UP |
Test the transition-state flag. |
LowLevelKeyboardProc, SetWindowsHookEx
file: /Techref/os/win/api/win32/struc/src/str09_18.htm, 4KB, , updated: 2006/6/29 03:06, local time: 2024/8/17 09:50,
18.116.62.27:LOG IN
|
©2024 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions? <A HREF="http://techref.massmind.org/techref/os/win/api/win32/struc/src/str09_18.htm"> KBDLLHOOKSTRUCT</A> |
Did you find what you needed? |
Welcome to massmind.org! |
Welcome to techref.massmind.org! |
.