master
 1/*
 2 * ntddbeep.h
 3 *
 4 * This file is part of the mingw-w64 runtime package.
 5 * No warranty is given; refer to the file DISCLAIMER within this package.
 6 *
 7 * Initial contributor is Casper S. Hornstrup <chorns@users.sourceforge.net>
 8 * Extended by Kai Tietz
 9 */
10
11#ifndef _NTDDBEEP_
12#define _NTDDBEEP_
13
14#include <winapifamily.h>
15
16#if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22#define DD_BEEP_DEVICE_NAME "\\Device\\Beep"
23#define DD_BEEP_DEVICE_NAME_U L"\\Device\\Beep"
24#define BEEP_FREQUENCY_MINIMUM 0x25
25#define BEEP_FREQUENCY_MAXIMUM 0x7fff
26#define IOCTL_BEEP_SET CTL_CODE (FILE_DEVICE_BEEP, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)
27
28  typedef struct _BEEP_SET_PARAMETERS {
29    ULONG Frequency;
30    ULONG Duration;
31  } BEEP_SET_PARAMETERS,*PBEEP_SET_PARAMETERS;
32
33#ifdef __cplusplus
34}
35#endif
36
37#endif
38#endif