#IfWinActive, ahk_class CabinetWClass
$Backspace::
ControlGet renamestatus,Visible,,Edit1,A
ControlGetFocus focussed, A
if(renamestatus!=1 && (focussed="DirectUIHWND3" || focussed="SysListView321" || focussed="SysTreeView321" ))
{
SendInput !{Up}
}
else
{
Send {Backspace}
}
#IfWinActive