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, |
|
|
LPMIDIHDR lpMidiInHdr, |
|
|
UINT cbMidiInHdr |
|
|
); |
|
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. |
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