MIDINotification

struct  MIDINotification
{
  MIDINotificationMessageID  messageID;
  ByteCount  messageSize;
  //  additional  data  may  follow,  depending  on  messageID
};

A MIDINotification is a structure passed to a MIDINotifyProc, when CoreMIDI wishes to inform a client of a change in the state of the system.

Fields

Name	Description
messageID	type of message
messageSize	size of the entire message, including messageID and messageSize