KbdFlushBuffer

Bindings: C, MASM

This call clears the keystroke buffer.

KbdFlushBuffer (KbdHandle)

KbdHandle (HKBD) - input Default keyboard or the logical keyboard.

rc (USHORT) - return Return code descriptions are:

0 NO_ERROR
439 ERROR_KBD_INVALID_HANDLE
445 ERROR_KBD_FOCUS_REQUIRED
447 ERROR_KBD_KEYBOARD_BUSY
464 ERROR_KBD_DETACHED
504 ERROR_KBD_EXTENDED_SG

Remarks

KbdFlushBuffer completes when the handle has access to the physical keyboard (focus), or is equal to zero and no other handle has the focus.

Family API Considerations

Some options operate differently in the DOS mode than in the OS/2 mode. The KbdHandle is ignored when coding in the DOS mode.

C bindings

#define INCL_KBD
 
USHORT  rc = KbdFlushBuffer(KbdHandle);
 
HKBD             KbdHandle;     /* Keyboard handle */
 
USHORT           rc;            /* return code */

MASM bindings

EXTRN  KbdFlushBuffer:FAR
INCL_KBD            EQU 1
 
PUSH   WORD    KbdHandle     ;Keyboard handle
CALL   KbdFlushBuffer
 
Returns WORD