# Sandbox.UI.ColorAlphaControl

Legacy control for editing the alpha of a Color property. Use ColorPickerControl for new UI.

- Kind: class
- Namespace: `Sandbox.UI`
- Assembly: `Sandbox.Engine`
- Inherits: [Sandbox.UI.BaseControl](/api/Sandbox.UI.BaseControl)
> **Obsolete.** Use ColorPickerControl instead.


## Constructors

- [`ColorAlphaControl`](/api/Sandbox.UI.ColorAlphaControl/.ctor)

## Properties

- [`SupportsMultiEdit`](/api/Sandbox.UI.ColorAlphaControl/SupportsMultiEdit)

## Methods

- [`Rebuild`](/api/Sandbox.UI.ColorAlphaControl/Rebuild)
- [`Tick`](/api/Sandbox.UI.ColorAlphaControl/Tick)