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# MIDIDriverInterface

The interface to a MIDI driver.

```
struct MIDIDriverInterface
```

## Topics

### Properties

[`FindDevices`](/documentation/CoreMIDI/MIDIDriverInterface/FindDevices)

Finds the available devices.

[`Start`](/documentation/CoreMIDI/MIDIDriverInterface/Start)

Starts MIDI I/O.

[`Stop`](/documentation/CoreMIDI/MIDIDriverInterface/Stop)

Stops MIDI I/O.

[`Configure`](/documentation/CoreMIDI/MIDIDriverInterface/Configure)

The system doesn’t currently use this method.

[`Send`](/documentation/CoreMIDI/MIDIDriverInterface/Send)

Sends a MIDI packet list to the specified destination endpoints.

[`EnableSource`](/documentation/CoreMIDI/MIDIDriverInterface/EnableSource)

Tells the driver whether input from a particular source has listeners.

[`Flush`](/documentation/CoreMIDI/MIDIDriverInterface/Flush)

Unschedules all pending output to the specified destination.

[`Monitor`](/documentation/CoreMIDI/MIDIDriverInterface/Monitor)

Enables monitoring of MIDI packet lists by the specified driver.

[`MonitorEvents`](/documentation/CoreMIDI/MIDIDriverInterface/MonitorEvents)

Enables monitoring of MIDI event lists by the specified driver.

[`SendPackets`](/documentation/CoreMIDI/MIDIDriverInterface/SendPackets)

Sends a MIDI event list to the specified destination endpoints.

[`AddRef`](/documentation/CoreMIDI/MIDIDriverInterface/AddRef)

[`QueryInterface`](/documentation/CoreMIDI/MIDIDriverInterface/QueryInterface)

[`Release`](/documentation/CoreMIDI/MIDIDriverInterface/Release)

## Relationships

### Conforms To

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

---

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