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