mmsystem.h

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	DWORD fdwSupport;
	DWORD cDestinations;
} MIXERCAPSW,*PMIXERCAPSW,*LPMIXERCAPSW;
typedef struct tagMIXERLINEA {
	DWORD cbStruct;
	DWORD dwDestination;
	DWORD dwSource;
	DWORD dwLineID;
	DWORD fdwLine;
	DWORD dwUser;
	DWORD dwComponentType;
	DWORD cChannels;
	DWORD cConnections;
	DWORD cControls;
	CHAR szShortName[MIXER_SHORT_NAME_CHARS];
	CHAR szName[MIXER_LONG_NAME_CHARS];
	struct {
		DWORD dwType;
		DWORD dwDeviceID;
		WORD wMid;
		WORD wPid;
		MMVERSION vDriverVersion;
		CHAR szPname[MAXPNAMELEN];
	} Target;
} MIXERLINEA,*PMIXERLINEA,*LPMIXERLINEA;
typedef struct tagMIXERLINEW {
	DWORD cbStruct;
	DWORD dwDestination;
	DWORD dwSource;
	DWORD dwLineID;
	DWORD fdwLine;
	DWORD dwUser;
	DWORD dwComponentType;
	DWORD cChannels;
	DWORD cConnections;
	DWORD cControls;
	WCHAR szShortName[MIXER_SHORT_NAME_CHARS];
	WCHAR szName[MIXER_LONG_NAME_CHARS];
	struct {
		DWORD dwType;
		DWORD dwDeviceID;
		WORD wMid;
		WORD wPid;
		MMVERSION vDriverVersion;
		WCHAR szPname[MAXPNAMELEN];
	} Target;
} MIXERLINEW,*PMIXERLINEW,*LPMIXERLINEW;
typedef struct tagMIXERCONTROLA {
	DWORD cbStruct;
	DWORD dwControlID;
	DWORD dwControlType;
	DWORD fdwControl;
	DWORD cMultipleItems;
	CHAR szShortName[MIXER_SHORT_NAME_CHARS];
	CHAR szName[MIXER_LONG_NAME_CHARS];
	union {
		struct {
			LONG lMinimum;
			LONG lMaximum;
		}_STRUCT_NAME(s);
		struct {
			DWORD dwMinimum;
			DWORD dwMaximum;
		}_STRUCT_NAME(s1);
		DWORD dwReserved[6];
	} Bounds;
	union {
		DWORD cSteps;
		DWORD cbCustomData;
		DWORD dwReserved[6];
	} Metrics;
} MIXERCONTROLA,*PMIXERCONTROLA,*LPMIXERCONTROLA;
typedef struct tagMIXERCONTROLW {
	DWORD cbStruct;
	DWORD dwControlID;
	DWORD dwControlType;
	DWORD fdwControl;
	DWORD cMultipleItems;
	WCHAR szShortName[MIXER_SHORT_NAME_CHARS];
	WCHAR szName[MIXER_LONG_NAME_CHARS];
	union {
		struct {
			LONG lMinimum;
			LONG lMaximum;
		}_STRUCT_NAME(s);
		struct {
			DWORD dwMinimum;
			DWORD dwMaximum;
		}_STRUCT_NAME(s1);
		DWORD dwReserved[6];
	} Bounds;
	union {
		DWORD cSteps;
		DWORD cbCustomData;
		DWORD dwReserved[6];
	} Metrics;
} MIXERCONTROLW,*PMIXERCONTROLW,*LPMIXERCONTROLW;
typedef struct tagMIXERLINECONTROLSA {
	DWORD cbStruct;
	DWORD dwLineID;
	union {
		DWORD dwControlID;
		DWORD dwControlType;
	} DUMMYUNIONNAME;
	DWORD cControls;
	DWORD cbmxctrl;
	LPMIXERCONTROLA pamxctrl;
} MIXERLINECONTROLSA,*PMIXERLINECONTROLSA,*LPMIXERLINECONTROLSA;
typedef struct tagMIXERLINECONTROLSW {
	DWORD cbStruct;
	DWORD dwLineID;
	union {
		DWORD dwControlID;
		DWORD dwControlType;
	} DUMMYUNIONNAME;
	DWORD cControls;
	DWORD cbmxctrl;
	LPMIXERCONTROLW pamxctrl;
} MIXERLINECONTROLSW,*PMIXERLINECONTROLSW,*LPMIXERLINECONTROLSW;
typedef struct tMIXERCONTROLDETAILS {
	DWORD cbStruct;
	DWORD dwControlID;
	DWORD cChannels;
	union {
		HWND hwndOwner;
		DWORD cMultipleItems;
	} DUMMYUNIONNAME;
	DWORD cbDetails;
	PVOID paDetails;
} MIXERCONTROLDETAILS,*PMIXERCONTROLDETAILS,*LPMIXERCONTROLDETAILS;
typedef struct tagMIXERCONTROLDETAILS_LISTTEXTA {
	DWORD dwParam1;
	DWORD dwParam2;
	CHAR szName[MIXER_LONG_NAME_CHARS];
} MIXERCONTROLDETAILS_LISTTEXTA,*PMIXERCONTROLDETAILS_LISTTEXTA,*LPMIXERCONTROLDETAILS_LISTTEXTA;
typedef struct tagMIXERCONTROLDETAILS_LISTTEXTW {
	DWORD dwParam1;
	DWORD dwParam2;
	WCHAR szName[MIXER_LONG_NAME_CHARS];
} MIXERCONTROLDETAILS_LISTTEXTW,*PMIXERCONTROLDETAILS_LISTTEXTW,*LPMIXERCONTROLDETAILS_LISTTEXTW;
typedef struct tMIXERCONTROLDETAILS_BOOLEAN {
	LONG fValue;
} MIXERCONTROLDETAILS_BOOLEAN,*PMIXERCONTROLDETAILS_BOOLEAN,*LPMIXERCONTROLDETAILS_BOOLEAN;
typedef struct tMIXERCONTROLDETAILS_SIGNED {
	LONG lValue;
} MIXERCONTROLDETAILS_SIGNED,*PMIXERCONTROLDETAILS_SIGNED,*LPMIXERCONTROLDETAILS_SIGNED;
typedef struct tMIXERCONTROLDETAILS_UNSIGNED {
	DWORD dwValue;
} MIXERCONTROLDETAILS_UNSIGNED,*PMIXERCONTROLDETAILS_UNSIGNED,*LPMIXERCONTROLDETAILS_UNSIGNED;
typedef void(CALLBACK TIMECALLBACK)(UINT,UINT,DWORD,DWORD,DWORD);
typedef TIMECALLBACK *LPTIMECALLBACK;
typedef struct timecaps_tag {
	UINT wPeriodMin;
	UINT wPeriodMax;
} TIMECAPS,*PTIMECAPS,*LPTIMECAPS;
typedef struct tagJOYCAPSA {
	WORD wMid;
	WORD wPid;
	CHAR szPname[MAXPNAMELEN];
	UINT wXmin;
	UINT wXmax;
	UINT wYmin;
	UINT wYmax;
	UINT wZmin;
	UINT wZmax;
	UINT wNumButtons;
	UINT wPeriodMin;
	UINT wPeriodMax;
	UINT wRmin;
	UINT wRmax;
	UINT wUmin;
	UINT wUmax;
	UINT wVmin;
	UINT wVmax;
	UINT wCaps;
	UINT wMaxAxes;
	UINT wNumAxes;
	UINT wMaxButtons;
	CHAR szRegKey[MAXPNAMELEN];
	CHAR szOEMVxD[MAX_JOYSTICKOEMVXDNAME];
} JOYCAPSA,*PJOYCAPSA,*LPJOYCAPSA;
typedef struct tagJOYCAPSW {
	WORD wMid;
	WORD wPid;
	WCHAR szPname[MAXPNAMELEN];
	UINT wXmin;
	UINT wXmax;
	UINT wYmin;
	UINT wYmax;
	UINT wZmin;
	UINT wZmax;
	UINT wNumButtons;
	UINT wPeriodMin;
	UINT wPeriodMax;
	UINT wRmin;
	UINT wRmax;
	UINT wUmin;
	UINT wUmax;
	UINT wVmin;
	UINT wVmax;
	UINT wCaps;
	UINT wMaxAxes;
	UINT wNumAxes;
	UINT wMaxButtons;
	WCHAR szRegKey[MAXPNAMELEN];
	WCHAR szOEMVxD[MAX_JOYSTICKOEMVXDNAME];
} JOYCAPSW,*PJOYCAPSW,*LPJOYCAPSW;
typedef struct joyinfo_tag {
	UINT wXpos;
	UINT wYpos;
	UINT wZpos;
	UINT wButtons;
} JOYINFO,*PJOYINFO,*LPJOYINFO;
typedef struct joyinfoex_tag {
	DWORD dwSize;
	DWORD dwFlags;
	DWORD dwXpos;
	DWORD dwYpos;
	DWORD dwZpos;
	DWORD dwRpos;
	DWORD dwUpos;
	DWORD dwVpos;
	DWORD dwButtons;
	DWORD dwButtonNumber;
	DWORD dwPOV;
	DWORD dwReserved1;
	DWORD dwReserved2;
} JOYINFOEX,*PJOYINFOEX,*LPJOYINFOEX;
typedef DWORD FOURCC;
typedef char *HPSTR;
DECLARE_HANDLE(HMMIO);
typedef LRESULT (CALLBACK MMIOPROC)(LPSTR,UINT,LPARAM,LPARAM);
typedef MMIOPROC *LPMMIOPROC;
typedef struct _MMIOINFO {
	DWORD dwFlags;
	FOURCC fccIOProc;
	LPMMIOPROC pIOProc;
	UINT wErrorRet;
	HTASK htask;
	LONG cchBuffer;
	HPSTR pchBuffer;
	HPSTR pchNext;
	HPSTR pchEndRead;
	HPSTR pchEndWrite;
	LONG lBufOffset;
	LONG lDiskOffset;
	DWORD adwInfo[3];
	DWORD dwReserved1;
	DWORD dwReserved2;
	HMMIO hmmio;
} MMIOINFO,*PMMIOINFO,*LPMMIOINFO;
typedef const MMIOINFO *LPCMMIOINFO;
typedef struct _MMCKINFO {
	FOURCC ckid;
	DWORD cksize;
	FOURCC fccType;
	DWORD dwDataOffset;
	DWORD dwFlags;
} MMCKINFO,*PMMCKINFO,*LPMMCKINFO;
typedef const MMCKINFO *LPCMMCKINFO;
typedef struct tagMCI_GENERIC_PARMS {
	DWORD dwCallback;
} MCI_GENERIC_PARMS,*PMCI_GENERIC_PARMS,*LPMCI_GENERIC_PARMS;
typedef struct tagMCI_OPEN_PARMSA {
	DWORD dwCallback;
	MCIDEVICEID wDeviceID;
	LPCSTR lpstrDeviceType;
	LPCSTR lpstrElementName;
	LPCSTR lpstrAlias;
} MCI_OPEN_PARMSA,*PMCI_OPEN_PARMSA,*LPMCI_OPEN_PARMSA;
typedef struct tagMCI_OPEN_PARMSW {
	DWORD dwCallback;
	MCIDEVICEID wDeviceID;
	LPCWSTR lpstrDeviceType;
	LPCWSTR lpstrElementName;
	LPCWSTR lpstrAlias;
} MCI_OPEN_PARMSW,*PMCI_OPEN_PARMSW,*LPMCI_OPEN_PARMSW;
typedef struct tagMCI_PLAY_PARMS {
	DWORD dwCallback;
	DWORD dwFrom;
	DWORD dwTo;
} MCI_PLAY_PARMS,*PMCI_PLAY_PARMS,*LPMCI_PLAY_PARMS;
typedef struct tagMCI_SEEK_PARMS {
	DWORD dwCallback;
	DWORD dwTo;
} MCI_SEEK_PARMS, *PMCI_SEEK_PARMS,*LPMCI_SEEK_PARMS;
typedef struct tagMCI_STATUS_PARMS {
	DWORD dwCallback;
	DWORD dwReturn;
	DWORD dwItem;
	DWORD dwTrack;
} MCI_STATUS_PARMS,*PMCI_STATUS_PARMS,*LPMCI_STATUS_PARMS;
typedef struct tagMCI_INFO_PARMSA {
	DWORD dwCallback;
	LPSTR lpstrReturn;
	DWORD dwRetSize;
} MCI_INFO_PARMSA,*LPMCI_INFO_PARMSA;
typedef struct tagMCI_INFO_PARMSW {
	DWORD dwCallback;
	LPWSTR lpstrReturn;
	DWORD dwRetSize;
} MCI_INFO_PARMSW,*LPMCI_INFO_PARMSW;
typedef struct tagMCI_GETDEVCAPS_PARMS {
	DWORD dwCallback;
	DWORD dwReturn;
	DWORD dwItem;
} MCI_GETDEVCAPS_PARMS,*PMCI_GETDEVCAPS_PARMS,*LPMCI_GETDEVCAPS_PARMS;
typedef struct tagMCI_SYSINFO_PARMSA {
	DWORD dwCallback;
	LPSTR lpstrReturn;
	DWORD dwRetSize;
	DWORD dwNumber;
	UINT wDeviceType;
} MCI_SYSINFO_PARMSA,*PMCI_SYSINFO_PARMSA,*LPMCI_SYSINFO_PARMSA;
typedef struct tagMCI_SYSINFO_PARMSW {
	DWORD dwCallback;
	LPWSTR lpstrReturn;
	DWORD dwRetSize;
	DWORD dwNumber;
	UINT wDeviceType;
} MCI_SYSINFO_PARMSW,*PMCI_SYSINFO_PARMSW,*LPMCI_SYSINFO_PARMSW;
typedef struct tagMCI_SET_PARMS {
	DWORD dwCallback;
	DWORD dwTimeFormat;
	DWORD dwAudio;
} MCI_SET_PARMS,*PMCI_SET_PARMS,*LPMCI_SET_PARMS;
typedef struct tagMCI_BREAK_PARMS {
	DWORD dwCallback;
	int nVirtKey;
	HWND hwndBreak;
} MCI_BREAK_PARMS,*PMCI_BREAK_PARMS,*LPMCI_BREAK_PARMS;
typedef struct tagMCI_SAVE_PARMSA {
	DWORD dwCallback;
	LPCSTR lpfilename;
} MCI_SAVE_PARMSA,*PMCI_SAVE_PARMSA,*LPMCI_SAVE_PARMSA;
typedef struct tagMCI_SAVE_PARMSW {
	DWORD dwCallback;
	LPCWSTR lpfilename;
} MCI_SAVE_PARMSW,*PMCI_SAVE_PARMSW,*LPMCI_SAVE_PARMSW;
typedef struct tagMCI_LOAD_PARMSA {
	DWORD dwCallback;
	LPCSTR lpfilename;
} MCI_LOAD_PARMSA,*PMCI_LOAD_PARMSA,*LPMCI_LOAD_PARMSA;
typedef struct tagMCI_LOAD_PARMSW {
	DWORD dwCallback;
	LPCWSTR lpfilename;
} MCI_LOAD_PARMSW,*PMCI_LOAD_PARMSW,*LPMCI_LOAD_PARMSW;
typedef struct tagMCI_RECORD_PARMS {
	DWORD dwCallback;
	DWORD dwFrom;
	DWORD dwTo;
} MCI_RECORD_PARMS,*LPMCI_RECORD_PARMS;
typedef struct tagMCI_VD_PLAY_PARMS {
	DWORD dwCallback;
	DWORD dwFrom;
	DWORD dwTo;
	DWORD dwSpeed;
} MCI_VD_PLAY_PARMS,*PMCI_VD_PLAY_PARMS,*LPMCI_VD_PLAY_PARMS;
typedef struct tagMCI_VD_STEP_PARMS {
	DWORD dwCallback;
	DWORD dwFrames;
} MCI_VD_STEP_PARMS,*PMCI_VD_STEP_PARMS,*LPMCI_VD_STEP_PARMS;
typedef struct tagMCI_VD_ESCAPE_PARMSA {
	DWORD dwCallback;
	LPCSTR lpstrCommand;
} MCI_VD_ESCAPE_PARMSA,*PMCI_VD_ESCAPE_PARMSA,*LPMCI_VD_ESCAPE_PARMSA;
typedef struct tagMCI_VD_ESCAPE_PARMSW {
	DWORD dwCallback;
	LPCWSTR lpstrCommand;
} MCI_VD_ESCAPE_PARMSW,*PMCI_VD_ESCAPE_PARMSW,*LPMCI_VD_ESCAPE_PARMSW;
typedef struct tagMCI_WAVE_OPEN_PARMSA {
	DWORD dwCallback;
	MCIDEVICEID wDeviceID;
	LPCSTR lpstrDeviceType;
	LPCSTR lpstrElementName;
	LPCSTR lpstrAlias;