---
title: mouseWithin
card_id: 21286
---

# mouseWithin

```
mouseWithin
```

Handler:

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

HyperCard sends the `mouseWithin` message to a button or field repeatedly while the pointer is inside its rectangle. 

## Related Topics

* [Where messages are sent initially](/HyperTalkReference/systemmessages/Where-messages-are-sent-initially)