/* * ntddbeep.h * * This file is part of the mingw-w64 runtime package. * No warranty is given; refer to the file DISCLAIMER within this package. * * Initial contributor is Casper S. Hornstrup * Extended by Kai Tietz */ #ifndef _NTDDBEEP_ #define _NTDDBEEP_ #include #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP) #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 #endif