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39 lines
850 B
C
39 lines
850 B
C
/*
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* ntddbeep.h
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*
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER within this package.
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*
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* Initial contributor is Casper S. Hornstrup <chorns@users.sourceforge.net>
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* Extended by Kai Tietz
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*/
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#ifndef _NTDDBEEP_
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#define _NTDDBEEP_
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#include <winapifamily.h>
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#if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DD_BEEP_DEVICE_NAME "\\Device\\Beep"
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#define DD_BEEP_DEVICE_NAME_U L"\\Device\\Beep"
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#define BEEP_FREQUENCY_MINIMUM 0x25
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#define BEEP_FREQUENCY_MAXIMUM 0x7fff
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#define IOCTL_BEEP_SET CTL_CODE (FILE_DEVICE_BEEP, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)
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typedef struct _BEEP_SET_PARAMETERS {
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ULONG Frequency;
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ULONG Duration;
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} BEEP_SET_PARAMETERS,*PBEEP_SET_PARAMETERS;
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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