---
title: MIDI Thru Connection
framework: coremidi
role: collectionGroup
role_heading: API Collection
path: coremidi/midi-thru-connection
---

# MIDI Thru Connection

Create play-through connections between sources and destinations.

## Overview

Overview Use play-through connections, instead of performing MIDI Thru operations, to reduce the overhead of moving MIDI messages between the server and the client. This API provides a simple interface to perform a variety of transformations.

## Topics

### Finding Connections

- [MIDIThruConnectionFind(_:_:)](coremidi/midithruconnectionfind(_:_:).md)

### Managing Connections

- [MIDIThruConnectionCreate(_:_:_:)](coremidi/midithruconnectioncreate(_:_:_:).md)
- [MIDIThruConnectionDispose(_:)](coremidi/midithruconnectiondispose(_:).md)
- [MIDIThruConnectionRef](coremidi/midithruconnectionref.md)
- [MIDIThruConnectionEndpoint](coremidi/midithruconnectionendpoint.md)
- [Endpoint Configuration](coremidi/endpoint-configuration.md)

### Configuring Parameters

- [MIDIThruConnectionParams](coremidi/midithruconnectionparams.md)
- [MIDIThruConnectionParamsSize(_:)](coremidi/midithruconnectionparamssize(_:).md)
- [MIDIThruConnectionParamsInitialize(_:)](coremidi/midithruconnectionparamsinitialize(_:).md)
- [MIDIThruConnectionGetParams(_:_:)](coremidi/midithruconnectiongetparams(_:_:).md)
- [MIDIThruConnectionSetParams(_:_:)](coremidi/midithruconnectionsetparams(_:_:).md)

### Transforming Values

- [MIDIValueMap](coremidi/midivaluemap.md)
- [MIDIControlTransform](coremidi/midicontroltransform.md)
- [MIDITransform](coremidi/miditransform.md)
- [MIDITransformType](coremidi/miditransformtype.md)
- [MIDITransformControlType](coremidi/miditransformcontroltype.md)

## See Also

### Services

- [MIDI Services](coremidi/midi-services.md)
- [MIDI System Setup](coremidi/midi-system-setup.md)
- [MIDI Bluetooth](coremidi/midi-bluetooth.md)
- [MIDI Messages](coremidi/midi-messages.md)
- [MIDI Networking](coremidi/midi-networking.md)
- [MIDI Drivers](coremidi/midi-drivers.md)
- [MIDI Capability Inquiry](coremidi/midi-capability-inquiry.md)