MIDIQueryClassList - Syntax

This function returns the names of all current classes in paClassInfo.

#include <mididll.>"

ULONG             ulNumClasses;  /*  Number of classes. */
PMIDICLASSINFO    paClassInfo;   /*  Pointer to MIDICLASSINFO. */
ULONG             ulFlag;        /*  Not used. */
ULONG             rc;            /*  Return code. */

rc = MIDIQueryClassList(ulNumClasses, paClassInfo,
       ulFlag);