---
title: openBackground
card_id: 22993
---

# openBackground

```
openBackground
```

Handler:

```
on openBackground
  [ph:statements]
end openBackground
```

HyperCard sends the `openBackground` message to the current card just after a user (or script) goes to a card whose background differs from the background of the most recent card.

## Related Topics

* [closeBackground](/HyperTalkReference/systemmessages/closeBackground)
* [deleteBackground](/HyperTalkReference/systemmessages/deleteBackground)
* [Message sending orders](/HyperTalkReference/systemmessages/Message-sending-orders)
* [newBackground](/HyperTalkReference/systemmessages/newBackground)
* [Where messages are sent initially](/HyperTalkReference/systemmessages/Where-messages-are-sent-initially)