MidiSend

Sends an event. A copy of the event is sent to all the application destinations. The date field of the event is used to specify when the destinations will actually receive the event.

pascal void    MidiSend( short refNum, MidiEvPtr e );

refNum

a 16-bit integer, it is the reference number of the application.

e

a MidiEvePtr, it is a pointer to the event to send.

A receive alarm that processes all the received events by adding a one second delay to their date.

void OneSecDelay (short refNum)
{
    MidiEvPtr    e;
    long n;

    for ( n = MidiCountEvs(refNum); n > 0; Ñn ) 
    {                                
        e = MidiGetEv(refNum);    /* Get an event from the FIFO */
        Date(e) += 1000;        /* Add 1000 ms to its date */
        MidiSend(refNum,e);        /* Then send the event */
    }
}

/*......*/

MidiSetRcvAlarm(myRefNum,OneSecDelay);    /* Activate the receive alarm*/

such a function can be called repeatedly in the main event loop of the application, but for really accurate time control, it must be installed as a receive alarm with MidiSetRcvAlarm.

MidiShare was originally developed for Pascal on the Macintosh. Consequently, in C, all functions passed as arguments of a MidiShare function must be declared as Pascal. In the previous example, OneSecDelay must be declared as :

pascal void OneSecDelay (short refNum);