MIDICLASSINFO

This structure contains fields for the MIDIQueryClassList function. It is used to retrieve information about the various MIDI classes available in the system, including their names, capacities, and specific attributes.

 typedef struct _MIDICLASSINFO {
   ULONG     ulStructLength;                  /*  Structure length. */
   ULONG     ulClassNumber;                   /*  Class number. */
   CHAR      szmClassName[MIDI_NAME_LENGTH];  /*  Class name. */
   ULONG     ulNumSlots;                      /*  Max. # of slots. */
   ULONG     ulAttributes;                    /*  Class attributes. */
 } MIDICLASSINFO;
 
 typedef   MIDICLASSINFO   * PMIDICLASSINFO ;