MM_MIM_LONGDATA

The MM_MIM_LONGDATA message is sent to a window when either a complete MIDI system-exclusive message is received or when a buffer has been filled with system-exclusive data.

MM_MIM_LONGDATA 
wParam = (WPARAM) hInput 
lParam = (LPARAM) lpMidiHdr 
 

Parameters

hInput

Handle of the MIDI input device that received the data.

lpMidiHdr

Address of a MIDIHDR structure identifying the buffer.

Return Values

This message does not return a value.

Remarks

The returned buffer might not be full. To determine the number of bytes recorded into the returned buffer, use the dwBytesRecorded member of the MIDIHDR structure pointed to by lpMidiHdr.

No time stamp is available with this message. For time-stamped input data, you must use the messages that are sent to callback functions.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in mmsystem.h.

See Also

Musical Instrument Digital Interface (MIDI) Overview, MIDI Messages, MIDIHDR