reactos/include/ddk/ntddbeep.h
Cameron Gutman 29fa274d6d - Create another branch for networking fixes
- TSVN choked repeatedly when attempting to merge ~9000 revs into the branch (tried 3 times on 2 different computers)
 - If someone wants to delete aicom-network-fixes, they are welcome to
 - Lesson learned: Letting a branch get thousands of revs out of date is a horrible idea

svn path=/branches/aicom-network-branch/; revision=44353
2009-12-02 03:23:19 +00:00

26 lines
508 B
C

#ifndef _NTDDBEEP_
#define _NTDDBEEP_
#ifdef __cplusplus
extern "C" {
#endif
#define DD_BEEP_DEVICE_NAME "\\Device\\Beep"
#define DD_BEEP_DEVICE_NAME_U L"\\Device\\Beep"
#define BEEP_FREQUENCY_MINIMUM 0x25
#define BEEP_FREQUENCY_MAXIMUM 0x7FFF
#define IOCTL_BEEP_SET CTL_CODE(FILE_DEVICE_BEEP, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)
typedef struct _BEEP_SET_PARAMETERS
{
ULONG Frequency;
ULONG Duration;
} BEEP_SET_PARAMETERS, *PBEEP_SET_PARAMETERS;
#ifdef __cplusplus
}
#endif
#endif