---
title: kIOVideoBooleanControlClassIDDirection
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646204-anonymous/kiovideobooleancontrolclassiddirection
---

# kIOVideoBooleanControlClassIDDirection

## Declaration

```occ
kIOVideoBooleanControlClassIDDirection = 'dire'
```

## Discussion

Discussion A IOVideoBooleanControl where a true value means the element is operating in input mode, and false means the element is operating in output mode. This control is only needed for devices which can do input and output, but not at the same time.