TaskPtr

A task function, a user defined callback used with MidiTask, MidiDTask and MidiCall.

typedef pascal void (* TaskPtr)( long date, short refNum, long a1,long a2,long a3 );

date

a 32-bit integer, it is the date of the call.

refNum

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

a1,a2,a3

are 32-bit integers that can be freely used.