MIM_DATA message

The MIM_DATA message is sent to a MIDI input callback function when a MIDI message is received by a MIDI input device.

MIM_DATA 
dwParam1 = dwMidiMessage 
dwParam2 = dwTimestamp 

Parameters

dwMidiMessage

MIDI message that was received. The message is packed into a doubleword value as follows:

Requirement	Value	Description
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.

dwTimestamp

Time that the message was received by the input device driver. The time stamp is specified in milliseconds, beginning at zero when the midiInStart function was called.

Return Value

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.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Mmsystem.h (include Windows.h)

See also

Musical Instrument Digital Interface (MIDI)

MIDI Messages