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

# SDL\_SetWindowResizable(3)

Set the user-resizable state of a window.

## NAME

SDL\_SetWindowResizable - Set the user-resizable state of a window.

## HEADER FILE

Defined in SDL3/SDL\_video.h

## SYNOPSIS

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

**bool SDL\_SetWindowResizable(SDL\_Window \*window, bool resizable);**

## DESCRIPTION

This will add or remove the window's

**SDL\_WINDOW\_RESIZABLE** flag and allow/disallow user resizing of the window. This is a no-op if the window's resizable state already matches the requested state.

You can't change the resizable state of a fullscreen window.

## FUNCTION PARAMETERS

- *window*

  the window of which to change the resizable state.

- *resizable*

  true to allow resizing, false to disallow.

## RETURN VALUE

Returns true on success or false on failure; call

**SDL\_GetError** () for more information.

## THREAD SAFETY

This function should only be called on the main thread.

## AVAILABILITY

This function is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_GetWindowFlags**(3)](/SDL_GetWindowFlags/3.md)