CurrentKey := 0

^j::
   WinGetClass, class, A
	MsgBox % class
Return

#IfWinActive ahk_class Notepad++
+WheelUp::
CurrentKey := CurrentKey + 1
if CurrentKey > 10 
{
	CurrentKey := 1
}

SendValue(CurrentKey)
return

+WheelDown::
CurrentKey := CurrentKey - 1
if CurrentKey < 1 
{
	CurrentKey := 10
}

SendValue(CurrentKey)
return


1::
CurrentKey := 1
SendValue(CurrentKey)
return

2::
CurrentKey := 2
SendValue(CurrentKey)
return
3::
CurrentKey := 3
SendValue(CurrentKey)
return
4::
CurrentKey := 4
SendValue(CurrentKey)
return
5::
CurrentKey := 5
SendValue(CurrentKey)
return
6::
CurrentKey := 6
SendValue(CurrentKey)
return
7::
CurrentKey := 7
SendValue(CurrentKey)
return
8::
CurrentKey := 8
SendValue(CurrentKey)
return
9::
CurrentKey := 9
SendValue(CurrentKey)
return
0::
CurrentKey := 10
SendValue(CurrentKey)
return

#IfWinActive

SendValue(value)
{
	if value = 10
	{
		Send 0
		Send {enter}
	}
	else
	{
		send %value%
		Send {enter}
	}
}