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midiInAddBuffer
The midiInAddBuffer function sends an input buffer to a specified opened MIDI input device. This
function is used for system-exclusive messages.
MMRESULT midiInAddBuffer(
HMIDIIN hMidiIn,
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| LPMIDIHDR lpMidiInHdr,
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| UINT cbMidiInHdr
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| );
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Parameters
hMidiIn
Handle of the MIDI input device.
lpMidiInHdr
Address of a MIDIHDR structure that identifies the buffer.
cbMidiInHdr
Size, in bytes, of the MIDIHDR structure.
Return Values
Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error
values include the following:
MIDIERR_STILLPLAYING
| The buffer pointed to by lpMidiInHdr is still in the queue.
| MIDIERR_UNPREPARED
| The buffer pointed to by lpMidiInHdr has not been prepared.
| MMSYSERR_INVALHANDLE
| The specified device handle is invalid.
| MMSYSERR_INVALPARAM
| The specified pointer or structure is invalid.
| MMSYSERR_NOMEM
| The system is unable to allocate or lock memory.
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Remarks
When the buffer is filled, it is sent back to the application.
The buffer must be prepared by using the midiInPrepareHeader function before it is passed to the midiInAddBuffer function.
See Also
MIDIHDR, midiInPrepareHeader
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