# lock parameter (skin)

Source: https://ref.dm-lang.org/skin/param/lock

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

### Possible values
- left
- right
- none


### Default value
> `none`

Allows one pane to "lock" the splitter so if this Child control is resized, the splitter will stay put on that side.

### See also
- [left parameter](https://ref.dm-lang.org/skin/param/left.md)
- [right parameter](https://ref.dm-lang.org/skin/param/right.md)
- [is-vert parameter](https://ref.dm-lang.org/skin/param/is-vert.md)
- [show-splitter parameter](https://ref.dm-lang.org/skin/param/show-splitter.md)
- [splitter parameter](https://ref.dm-lang.org/skin/param/splitter.md)