---
title: GetControlValueDescriptions
framework: VideoDriverKit
role: symbol
role_heading: Instance Method
platforms: [driverkit 27.0+]
path: videodriverkit/iouservideoselectorcontrol/getcontrolvaluedescriptions
---

# GetControlValueDescriptions

Gets the selector values for the control.

## Declaration

```occ
size_t GetControlValueDescriptions(IOUserVideoSelectorValueDescription *out_control_value_descriptions, size_t in_num_value_descriptions);
```

## Parameters

- `out_control_value_descriptions`: Pointer to an array of IOUserVideoSelectorValueDescriptions
- `in_num_value_descriptions`: Size_t for the number of values to store into out_control_values.

## Return Value

Return Value Size_t of number of values written to out_control_values.

## Discussion

Discussion The object’s work queue synchronizes access to the selector control value description.

## See Also

### Accessing the value

- [SetCurrentSelectedValues](videodriverkit/iouservideoselectorcontrol/setcurrentselectedvalues.md)
- [GetCurrentSelectedValues](videodriverkit/iouservideoselectorcontrol/getcurrentselectedvalues.md)
- [IOUserVideoSelectorValue](videodriverkit/iouservideoselectorvalue.md)
- [GetControlValuesCount](videodriverkit/iouservideoselectorcontrol/getcontrolvaluescount.md)
- [AddControlValueDescriptions](videodriverkit/iouservideoselectorcontrol/addcontrolvaluedescriptions.md)
- [RemoveControlValueDescriptions](videodriverkit/iouservideoselectorcontrol/removecontrolvaluedescriptions.md)
- [IOUserVideoSelectorValueDescription](videodriverkit/iouservideoselectorvaluedescription.md)