KBDKEYINFO

KBDKEYINFO

Character data structure.

Type

UCHAR   chChar
UCHAR   chScan
UCHAR   fbStatus
UCHAR   bNlsShift
USHORT  fsState
USHORT  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.

fsState   Shift key status flag.
          Values are:
          Bit 15    SysReq key down 
          Bit 14    Caps Lock key down 
          Bit 13    NumLock key down 
          Bit 12    Scroll Lock key down 
          Bit 11    Right Alt key down 
          Bit 10    Right Ctrl key down 
          Bit  9    Left Alt key down 
          Bit  8    Left Ctrl key down 
          Bit  7    Insert on 
          Bit  6    Caps Lock on 
          Bit  5    NumLock on. 
          Bit  4    Scroll Lock on 
          Bit  3    Either Alt key down 
          Bit  2    Either Ctrl key down 
          Bit  1    Left Shift key down 
          Bit  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.

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