|
acmFilterTagEnum
The acmFilterTagEnum function enumerates waveform-audio filter tags available from an ACM driver.
This function continues enumerating until there are no more suitable filter
tags or the callback function returns FALSE.
MMRESULT acmFilterTagEnum(
HACMDRIVER had,
|
| LPACMFILTERTAGDETAILS paftd,
|
| ACMFILTERTAGENUMCB fnCallback,
|
| DWORD dwInstance,
|
| DWORD fdwEnum
|
| );
|
|
Parameters
had
Handle of the ACM driver to query for waveform-audio filter tag details. If
this parameter is NULL, the ACM uses the details from the first suitable ACM
driver.
paftd
Address of the ACMFILTERTAGDETAILS structure that contains the filter tag details when it is passed to the fnCallback function. When your application calls acmFilterTagEnum, the cbStruct member of this structure must be initialized.
fnCallback
Procedure instance address of the application-defined callback function.
dwInstance
A 32-bit application-defined value that is passed to the callback function
along with ACM filter tag details.
fdwEnum
Reserved; must be zero.
Return Values
Returns zero if successful or an error otherwise. Possible error values
include the following:
MMSYSERR_INVALFLAG
| At least one flag is invalid.
| MMSYSERR_INVALHANDLE
| The specified handle is invalid.
| MMSYSERR_INVALPARAM
| At least one parameter is invalid.
|
Remarks
This function will return MMSYSERR_NOERROR (zero) if no suitable ACM drivers
are installed. Moreover, the callback function will not be called.
See Also
ACMFILTERTAGDETAILS
Related Links
Software for Delphi and C++ Builder developers
Software for Visual Studio .NET developers
Software for Visual Basic 6 developers
Delphi Tips&Tricks
MegaDetailed.NET
More Online Helps
Win32 Programmer's Reference (win32.hlp)
OLE Programmer's Reference (ole.hlp)
Microsoft Windows Pen API Programmer's Reference (penapi.hlp)
Microsoft Windows Sockets 2 Reference (sock2.hlp)
Microsoft Windows Telephony API (TAPI) Programmer's Reference (tapi.hlp)
Unix Manual Pages
|
