---
name: "SDL_MouseID"
section: "3type"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_MouseID"
---

# SDL\_MouseID(3type)

This is a unique ID for a mouse for the time it is connected to the system, and is never reused for the lifetime of the application.

## NAME

SDL\_MouseID - This is a unique ID for a mouse for the time it is connected to the system, and is never reused for the lifetime of the application.

## HEADER FILE

Defined in SDL3/SDL\_mouse.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**typedef Uint32 SDL\_MouseID;**

## DESCRIPTION

If the mouse is disconnected and reconnected, it will get a new ID.

The value 0 is an invalid ID.

## AVAILABILITY

This datatype is available since SDL 3.2.0.