# is-fullscreen parameter (skin)

Source: https://ref.dm-lang.org/skin/param/is-fullscreen
Added in BYOND 515.

### Applies to
> [Main](https://ref.dm-lang.org/skin/control/main.md) (window only)

### Format
> `true/false`

### Default value
> false

True if the window should be in fullscreen mode. This suppresses `can-resize`, `titlebar`, `is-maximized`, and `is-minimized`. They will continue to return the values that would apply if fullscreen mode were turned off.

### See also
- [can-resize parameter](https://ref.dm-lang.org/skin/param/can-resize.md)
- [titlebar parameter](https://ref.dm-lang.org/skin/param/titlebar.md)
- [is-maximized parameter](https://ref.dm-lang.org/skin/param/is-maximized.md)
- [is-minimized parameter](https://ref.dm-lang.org/skin/param/is-minimized.md)
- [size parameter](https://ref.dm-lang.org/skin/param/size.md)
- [outer-size parameter](https://ref.dm-lang.org/skin/param/outer-size.md)
- [screen-pos parameter](https://ref.dm-lang.org/skin/param/screen-pos.md)
- [screen-size parameter](https://ref.dm-lang.org/skin/param/screen-size.md)