MM_MIM_DATA
The
MM_MIM_DATA message is sent to a window when a complete MIDI message is
received by a MIDI input device.
MM_MIM_DATA
wParam = (WPARAM) hInput
lParam = (LPARAM) (DWORD) lMidiMessage
Parameters
hInput
Handle of the
MIDI input device that received the MIDI message.
lMidiMessage
MIDI message
that was received. The message is packed into a doubleword value as follows:
High word |
High-order
byte |
Not used. |
|
Low-order
byte |
Contains a
second byte of MIDI data (when needed). |
Low word |
High-order
byte |
Contains
the first byte of MIDI data (when needed). |
|
Low-order
byte |
Contains
the MIDI status. |
The two MIDI
data bytes are optional, depending on the MIDI status byte.
Return Values
This message
does not return a value.
Remarks
MIDI messages
received from a MIDI input port have running status disabled; each message is
expanded to include the MIDI status byte.
This message
is not sent when a MIDI system-exclusive message is received. No time stamp is
available with this message. For time-stamped input data, you must use the
messages that are sent to callback functions.