# Sandbox.UI.BasePopup

A panel that gets deleted automatically when clicked away from

- Kind: class
- Namespace: `Sandbox.UI`
- Assembly: `Sandbox.Engine`
- Inherits: [Sandbox.UI.Panel](/api/Sandbox.UI.Panel)
- Modifiers: abstract

## Constructors

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

## Properties

- [`StayOpen`](/api/Sandbox.UI.BasePopup/StayOpen): Stay open, even when CloseAll popups is called

## Methods

- [`CloseAll`](/api/Sandbox.UI.BasePopup/CloseAll)
- [`OnDeleted`](/api/Sandbox.UI.BasePopup/OnDeleted)