This structure contains fields for the MIDISetup function.
typedef struct _MIDISETUP { ULONG ulStructLength; /* Structure length. */ PULONG pulMaxRTSysexLength; /* Max. size of message. */ PPULONG ppulMIDICurrentTime; /* Current time. */ ULONG ulFlags; /* Indicates callback type. */ PFNMIDI_NOTIFYCALLBACK pfnMIDI_NotifyCallback; /* Notification callbacks. */ HWND hwndCallback; /* Window handle for callback. */ HQUEUE hqueueCallback; /* Queue handle for callback. */ } MIDISETUP; typedef MIDISETUP * PMIDISETUP ;