KbdFreeFocus: Difference between revisions
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==Description== | ==Description== | ||
This call frees the logical-to-physical keyboard bond created by KbdGetFocus. | This call frees the logical-to-physical keyboard bond created by KbdGetFocus. | ||
==Syntax== | ==Syntax== | ||
KbdFreeFocus (KbdHandle) | |||
KbdFreeFocus | |||
==Parameters== | |||
;KbdHandle (HKBD) - input : Default keyboard or the logical keyboard. | |||
==Return Code== | ==Return Code== | ||
rc (USHORT) - return | rc (USHORT) - return | ||
Return code descriptions are: | Return code descriptions are: | ||
* 0 NO_ERROR | |||
* 0 | * 439 ERROR_KBD_INVALID_HANDLE | ||
* 439 | * 445 ERROR_KBD_FOCUS_REQUIRED | ||
* 445 | * 464 ERROR_KBD_DETACHED | ||
* 464 | * 504 ERROR_KBD_EXTENDED_SG | ||
* 504 | |||
==Remarks== | ==Remarks== | ||
KbdFreeFocus may be replaced by issuing KbdRegister. Unlike other keyboard subsystem functions, the replaced KbdFreeFocus is called only if there is an outstanding focus. | KbdFreeFocus may be replaced by issuing KbdRegister. Unlike other keyboard subsystem functions, the replaced KbdFreeFocus is called only if there is an outstanding focus. | ||
==Example Code== | ==Example Code== | ||
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</PRE> | </PRE> | ||
[[Category:Kbd]] | |||
[[Category: | |||
Revision as of 02:40, 5 December 2016
Description
This call frees the logical-to-physical keyboard bond created by KbdGetFocus.
Syntax
KbdFreeFocus (KbdHandle)
Parameters
- KbdHandle (HKBD) - input
- Default keyboard or the logical keyboard.
Return Code
rc (USHORT) - return
Return code descriptions are:
- 0 NO_ERROR
- 439 ERROR_KBD_INVALID_HANDLE
- 445 ERROR_KBD_FOCUS_REQUIRED
- 464 ERROR_KBD_DETACHED
- 504 ERROR_KBD_EXTENDED_SG
Remarks
KbdFreeFocus may be replaced by issuing KbdRegister. Unlike other keyboard subsystem functions, the replaced KbdFreeFocus is called only if there is an outstanding focus.
Example Code
C Binding
#define INCL_KBD USHORT rc = KbdFreeFocus(KbdHandle); HKBD KbdHandle; /* Keyboard handle */ USHORT rc; /* return code */
MASM Binding
EXTRN KbdFreeFocus:FAR INCL_KBD EQU 1 PUSH WORD KbdHandle ;Keyboard handle CALL KbdFreeFocus Returns WORD