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 <[email protected]>
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
19 extern "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
39