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RID_DEVICE_INFO_KEYBOARD structure (winuser.h)

  • Article

Defines the raw input data coming from the specified keyboard.

Syntax

typedef struct tagRID_DEVICE_INFO_KEYBOARD {
  DWORD dwType;
  DWORD dwSubType;
  DWORD dwKeyboardMode;
  DWORD dwNumberOfFunctionKeys;
  DWORD dwNumberOfIndicators;
  DWORD dwNumberOfKeysTotal;
} RID_DEVICE_INFO_KEYBOARD, *PRID_DEVICE_INFO_KEYBOARD;

Members

dwType

Type: DWORD

The type of keyboard. See Remarks.

Value Description
0x4 Enhanced 101- or 102-key keyboards (and compatibles)
0x7 Japanese Keyboard
0x8 Korean Keyboard
0x51 Unknown type or HID keyboard

dwSubType

Type: DWORD

The vendor-specific subtype of the keyboard. See Remarks.

dwKeyboardMode

Type: DWORD

The scan code mode. Usually 1, which means that Scan Code Set 1 is used. See Keyboard Scan Code Specification.

dwNumberOfFunctionKeys

Type: DWORD

The number of function keys on the keyboard.

dwNumberOfIndicators

Type: DWORD

The number of LED indicators on the keyboard.

dwNumberOfKeysTotal

Type: DWORD

The total number of keys on the keyboard.

Remarks

For information about keyboard types, subtypes, scan code modes, and related keyboard layouts, see the documentation in kbd.h, ntdd8042.h and ntddkbd.h headers in Windows SDK, and the Keyboard Layout Samples.

Requirements

Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header winuser.h (include Windows.h)

See also

Conceptual

RID_DEVICE_INFO

Raw Input

Reference

KEYBOARD_ATTRIBUTES structure