ni-ntddkbd-ioctl_keyboard_query_indicators.md

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NI:ntddkbd.IOCTL_KEYBOARD_QUERY_INDICATORS	IOCTL_KEYBOARD_QUERY_INDICATORS (ntddkbd.h)	The IOCTL_KEYBOARD_QUERY_INDICATORS request returns information about the keyboard indicators.	IOCTL_KEYBOARD_QUERY_INDICATORS IOCTL_KEYBOARD_QUERY_INDICATORS control IOCTL_KEYBOARD_QUERY_INDICATORS control code [Human Input Devices] hid.ioctl_keyboard_query_indicators2 i8042ref_d34933a9-dfd8-464b-9653-7b344b5007e3.xml ntddkbd/IOCTL_KEYBOARD_QUERY_INDICATORS	hid\ioctl_keyboard_query_indicators2.htm	hid	ca031026-a077-4270-addd-a0a8c22f46b6	12/05/2018	IOCTL_KEYBOARD_QUERY_INDICATORS, IOCTL_KEYBOARD_QUERY_INDICATORS control, IOCTL_KEYBOARD_QUERY_INDICATORS control code [Human Input Devices], hid.ioctl_keyboard_query_indicators2, i8042ref_d34933a9-dfd8-464b-9653-7b344b5007e3.xml, ntddkbd/IOCTL_KEYBOARD_QUERY_INDICATORS	ntddkbd.h	Ntddkbd.h	Windows															Windows			19H1	IOCTL_KEYBOARD_QUERY_INDICATORS ntddkbd/IOCTL_KEYBOARD_QUERY_INDICATORS	c++	APIRef kbSyntax	HeaderDef	ntddkbd.h	IOCTL_KEYBOARD_QUERY_INDICATORS

IOCTL_KEYBOARD_QUERY_INDICATORS IOCTL

-description

The IOCTL_KEYBOARD_QUERY_INDICATORS request returns information about the keyboard indicators.

-ioctlparameters

-input-buffer

Parameters.DeviceIoControl.OutputBufferLength is set to a value greater than or equal to the size, in bytes, of a KEYBOARD_INDICATOR_PARAMETERS structure.

-input-buffer-length

The size of a KEYBOARD_INDICATOR_PARAMETERS structure.

-output-buffer

AssociatedIrp.SystemBuffer points to a client-allocated buffer that I8042prt uses to output a KEYBOARD_INDICATOR_PARAMETERS structure.

-output-buffer-length

The size of a KEYBOARD_INDICATOR_PARAMETERS structure.

-in-out-buffer

-inout-buffer-length

-status-block

If the request is successful, the Information member is set to the size, in bytes, of a KEYBOARD_INDICATOR_PARAMETERS structure. Otherwise, Information is set to zero.

The Status member is set to one the following values:

-STATUS_BUFFER_TOO_SMALL

Parameters.DeviceIoControl.OutputBufferLength is less than the size, in bytes, of a KEYBOARD_INDICATOR_PARAMETERS structure.

-STATUS_SUCCESS

The request completed successfully.

-see-also

IOCTL_KEYBOARD_QUERY_ATTRIBUTES

IOCTL_KEYBOARD_QUERY_INDICATOR_TRANSLATION

IOCTL_KEYBOARD_QUERY_TYPEMATIC

KEYBOARD_INDICATOR_PARAMETERS