KBDKEYINFO

Character data structure.

Type

UCHAR   chChar
UCHAR   chScan
UCHAR   fbStatus
UCHAR   bNlsShift
USHORT  fsState
ULONG   time

C Declaration Method

typedef struct

Fields

chChar

ASCII Character code.

The scan code received from the keyboard is translated to the ASCII character code.

chScan

Code received for the keyboard.

Scan code received from the keyboard is translated to the ASCII character code.

fbStatus

State of the keystroke event flag.

Bits 7-6 Has the following values:

00 Undefined.

01 Final character; interim character flag is turned off.

10 Interim character.

11 Final character; interim character flag is turned on.

Bit 5 - If set to 1, immediate conversion requested.

Bits 4-2 - Reserved.

Bit 1 - Has the following values:

0 Scan code is a character

1 Scan code is not a character; instead it is an extended key code from the keyboard.

Bit 0 - If set to 1, shift status returned without a character.

bNlsShift

NLS shift status. Reserved, must be 0.

7 Kana-To-Kanji Conversion Mode (Japanese)
Hanja_25: Hangeul-to-Hanja Conversion Mode (Korean)
Reserved (T-Chinese)

6 Romaji Mode (Japanese)
Hanja_CSR: Hangeul-to-Hanja Conversion Mode (Korean)
Reserved (T-Chinese)

5 Reserved

4-3

00 Shift Indicator Row always visible

01 Shift Indicator Row always invisible

10 Shift Indicator Row visible only when a shift key is pressed. And it becomes invisible, depress another key.

11 Reserved

2-1

00 Alphanumeric Mode

01 Katakana Mode (Japanese)
Jamo Mode (Korean)
Phonetic Input Mode (T-Chinese)

10 Hiragana Mode (Japanese)
Hangeul Mode (Korean)
TsangJye Input Mode (T-Chinese)

11 Reserved

0 DBCS Mode

fsState

Shift key status flag.

Shift key status

Bit	Description
15	SysReq key down
14	CapsLock key down
13	NumLock key down
12	ScrollLock key down
11	Right Alt key down (SBCS)
10	Right Ctrl key down (SBCS)
9	Left Alt key down
8	Left Ctrl key down
7	Insert on
6	CapsLock on
5	NumLock on
4	ScrollLock on
3	Either Alt key down (DBCS)
2	Either Ctrl key down (DBCS)
1	Left Shift key down
0	Right Shift key down

time

Time stamp in milliseconds.

Time stamp indicating when a key was pressed. It is specified in milliseconds from the time the system was started.