Added in 1.9.6
$bname
Returns the Toolbar button name during a menu event.
Example
; Open a custom window.
/window @Example
; Add a toolbar button named Example and associate it with the custom window @Example.
//toolbar -a Example "Hello World!" $qt($adiircexe) @Example
; Add a menu for @Example to remove the Toolbar item based on $bname.
menu @Example {
$iif($bname,Remove):toolbar -d $bname
}