C# Signature:

[Flags]
    enum WaveInOpenFlags : uint
    {
        CALLBACK_NULL = 0,
        CALLBACK_FUNCTION = 0x30000,
        CALLBACK_EVENT = 0x50000,
        CALLBACK_WINDOW = 0x10000,
        CALLBACK_THREAD = 0x20000,
        WAVE_FORMAT_QUERY = 1,
        WAVE_MAPPED = 4,
        WAVE_FORMAT_DIRECT = 8
    }

VB Signature:

<Flags()> _
Friend Enum WaveInOpenFlags As UInteger
  CALLBACK_NULL = 0
  CALLBACK_FUNCTION = &H30000
  CALLBACK_EVENT = &H50000
  CALLBACK_WINDOW = &H10000
  CALLBACK_THREAD = &H20000
  WAVE_FORMAT_QUERY = 1
  WAVE_MAPPED = 4
  WAVE_FORMAT_DIRECT = 8
End Enum

User-Defined Types:

None.

Alternative Managed API:

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Notes:

Return values:

    const uint MMSYSERR_BASE = 0;
    const uint MMSYSERR_NOERROR = 0; /* no error */
    const uint MMSYSERR_ERROR = MMSYSERR_BASE + 1; /* unspecified error */
    const uint MMSYSERR_BADDEVICEID = MMSYSERR_BASE + 2; /* device ID out of range */
    const uint MMSYSERR_NOTENABLED = MMSYSERR_BASE + 3; /* driver failed enable */
    const uint MMSYSERR_ALLOCATED = MMSYSERR_BASE + 4; /* device already allocated */
    const uint MMSYSERR_INVALHANDLE = MMSYSERR_BASE + 5; /* device handle is invalid */
    const uint MMSYSERR_NODRIVER = MMSYSERR_BASE + 6; /* no device driver present */
    const uint MMSYSERR_NOMEM = MMSYSERR_BASE + 7; /* memory allocation error */
    const uint MMSYSERR_NOTSUPPORTED = MMSYSERR_BASE + 8; /* function isn't supported */
    const uint MMSYSERR_BADERRNUM = MMSYSERR_BASE + 9; /* error value out of range */
    const uint MMSYSERR_INVALFLAG = MMSYSERR_BASE + 10; /* invalid flag passed */
    const uint MMSYSERR_INVALPARAM = MMSYSERR_BASE + 11; /* invalid parameter passed */
    const uint MMSYSERR_HANDLEBUSY = MMSYSERR_BASE + 12; /* handle being used */
    const uint MMSYSERR_INVALIDALIAS = MMSYSERR_BASE + 13; /* specified alias not found */
    const uint MMSYSERR_BADDB = MMSYSERR_BASE + 14; /* bad registry database */
    const uint MMSYSERR_KEYNOTFOUND = MMSYSERR_BASE + 15; /* registry key not found */
    const uint MMSYSERR_READERROR = MMSYSERR_BASE + 16; /* registry read error */
    const uint MMSYSERR_WRITEERROR = MMSYSERR_BASE + 17; /* registry write error */
    const uint MMSYSERR_DELETEERROR = MMSYSERR_BASE + 18; /* registry delete error */
    const uint MMSYSERR_VALNOTFOUND = MMSYSERR_BASE + 19; /* registry value not found */
    const uint MMSYSERR_NODRIVERCB = MMSYSERR_BASE + 20; /* driver does not call */
    const uint MMSYSERR_MOREDATA  = MMSYSERR_BASE + 21; /* more data to be returned */
    const uint MMSYSERR_LASTERROR = MMSYSERR_BASE + 21; /* last error in range */

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