ReactOS 0.4.15-dev-7918-g2a2556c
ntddbeep.h File Reference
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Classes

struct  _BEEP_SET_PARAMETERS
 

Macros

#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)
 

Typedefs

typedef struct _BEEP_SET_PARAMETERS BEEP_SET_PARAMETERS
 
typedef struct _BEEP_SET_PARAMETERSPBEEP_SET_PARAMETERS
 

Macro Definition Documentation

◆ BEEP_FREQUENCY_MAXIMUM

#define BEEP_FREQUENCY_MAXIMUM   0x7FFF

Definition at line 30 of file ntddbeep.h.

◆ BEEP_FREQUENCY_MINIMUM

#define BEEP_FREQUENCY_MINIMUM   0x25

Definition at line 29 of file ntddbeep.h.

◆ DD_BEEP_DEVICE_NAME

#define DD_BEEP_DEVICE_NAME   "\\Device\\Beep"

Definition at line 27 of file ntddbeep.h.

◆ DD_BEEP_DEVICE_NAME_U

#define DD_BEEP_DEVICE_NAME_U   L"\\Device\\Beep"

Definition at line 28 of file ntddbeep.h.

◆ IOCTL_BEEP_SET

Definition at line 31 of file ntddbeep.h.

Typedef Documentation

◆ BEEP_SET_PARAMETERS

◆ PBEEP_SET_PARAMETERS