左滚，右滚

+WheelUp::  ; Scroll left.
    SetTitleMatchMode, 2
    IfWinActive, Microsoft Excel -
    {
        SetScrollLockState, on
        send,{left}
        SetScrollLockState, off
    }
    else IfWinActive, Adobe Acrobat Professional -
    {
        send,+{left}
    }
    else IfWinActive, - Mozilla Firefox
    {
		Loop 4
			send,{left}
    }
    else
    {
        ControlGetFocus, FocusedControl, A
		Loop 4
			SendMessage, 0x114, 0, 0, %FocusedControl%, A  ; 0x114 is WM_HSCROLL ; 1 vs. 0 causes SB_LINEDOWN vs. UP
    }
return


+WheelDown::  ; Scroll right.
    SetTitleMatchMode, 2
    IfWinActive, Microsoft Excel -
    {
        SetScrollLockState, on
        send,{right}
        SetScrollLockState, off
    }
    else IfWinActive, Adobe Acrobat Professional -
    {
        send,+{right}
    }
    else IfWinActive, - Mozilla Firefox
    {
		Loop 4
			send,{right}
    }
    else
    {
        ControlGetFocus, FocusedControl, A
		Loop 4
			SendMessage, 0x114, 1, 0, %FocusedControl%, A  ; 0x114 is WM_HSCROLL ; 1 vs. 0 causes SB_LINEDOWN vs. UP
    }
return