---
title: GCMouseDidBecomeCurrentNotification
framework: gamecontroller
role: symbol
role_heading: Global Variable
path: gamecontroller/gcmousedidbecomecurrentnotification
---

# GCMouseDidBecomeCurrentNotification

A notification that posts when a mouse becomes the most recent mouse that the user connects.

## Declaration

```occ
extern NSString * const GCMouseDidBecomeCurrentNotification;
```

## Discussion

Discussion The notification object is a GCMouse object that represents the current mouse. For example, set the mouse input change handlers when you receive this notification. The system posts this notification on the main thread.

## See Also

### Handling multiple mouse devices

- [current](gamecontroller/gcmouse/current.md)
- [GCMouseDidStopBeingCurrentNotification](gamecontroller/gcmousedidstopbeingcurrentnotification.md)