_Added in 1.9.3_

*/treebar [on|off]*

Enables/disables Treebar. [[$treebar]] can be used to determine it's state.

If no parameter is defined, prints current Treebar visibility status.

*Parameters*

table(ktable).
|*Parameter*|*Description*|
| [on] | Enables Treebar. |
| [off] | Disables Treebar. |