The MCI_SEQ_SET_PARMS structure contains parameters for the MCI_SET message for MIDI sequencer devices. When assigning data to the fields in this data structure, set the corresponding MCI flags in the lParam1 parameter of mciSendCommand to validate the fields.
typedef struct {
DWORD dwCallback;
DWORD dwTimeFormat;
DWORD dwAudio;
DWORD dwTempo;
DWORD dwPort;
DWORD dwSlave;
DWORD dwMaster;
DWORD dwOffset;
} MCI_SEQ_SET_PARMS;
The MCI_SEQ_SET_PARMS structure has the following fields:
dwCallback
The low-order word specifies a window handle used for the MCI_NOTIFY flag.
dwTimeFormat
Specifies the time format of the sequencer.
dwAudio
Specifies the audio output channel.
dwTempo
Specifies the tempo.
dwPort
Specifies the output port.
dwSlave
Specifies the type of synchronization used by the sequencer for slave operation.
dwMaster
Specifies the type of synchronization used by the sequencer for master operation.
dwOffset
Specifies the data offset.