# outer-size parameter (skin)

Source: https://ref.dm-lang.org/skin/param/outer-size
Added in BYOND 513.

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

### Format
> `*width*x*height*`

Read-only.

If the control is a window, this refers to its current exterior size *including* titlebar, statusbar, borders, etc. If the window is maximized, this is the maximized size.

If this control is a pane and [can-scroll](https://ref.dm-lang.org/skin/param/can-scroll.md) is true, this is the size of the display area including the scrollbars.

### See also
- [size parameter](https://ref.dm-lang.org/skin/param/size.md)
- [inner-size parameter](https://ref.dm-lang.org/skin/param/inner-size.md)