---
title: IOUSBHostCICapabilitiesMessageControlPortCount
framework: iousbhost
role: symbol
role_heading: Global Variable
path: iousbhost/iousbhostcicapabilitiesmessagecontrolportcount
---

# IOUSBHostCICapabilitiesMessageControlPortCount

## Declaration

```swift
var IOUSBHostCICapabilitiesMessageControlPortCount: Int { get }
```

## See Also

### Constants

- [IOUSBHostCICapabilitiesMessageControlPortCountPhase](iousbhost/iousbhostcicapabilitiesmessagecontrolportcountphase.md)
- [IOUSBHostCICapabilitiesMessageData0CommandTimeoutThreshold](iousbhost/iousbhostcicapabilitiesmessagedata0commandtimeoutthreshold.md)
- [IOUSBHostCICapabilitiesMessageData0CommandTimeoutThresholdPhase](iousbhost/iousbhostcicapabilitiesmessagedata0commandtimeoutthresholdphase.md)
- [IOUSBHostCICapabilitiesMessageData0ConnectionLatency](iousbhost/iousbhostcicapabilitiesmessagedata0connectionlatency.md)
- [IOUSBHostCICapabilitiesMessageData0ConnectionLatencyPhase](iousbhost/iousbhostcicapabilitiesmessagedata0connectionlatencyphase.md)