; Uncomment this if you want a hotkey to set it for every
    ; !+r::GoSub, AdjustAllWindows
     
    ; Initalise the hook
    GoSub, HookWindow
    ; Run it once for every window
    GoSub, AdjustAllWindows
    Return
     
    HookWindow:
       ; New Window Hook
        Gui +LastFound
        hWnd := WinExist()
     
        DllCall( "RegisterShellHookWindow", UInt,hWnd )
        MsgNum := DllCall( "RegisterWindowMessage", Str,"SHELLHOOK" )
        OnMessage( MsgNum, "ShellMessage" )
     
        ShellMessage(wParam,lParam) {
            If (wParam = 1) ;  HSHELL_WINDOWCREATED := 1
            {
                Sleep, 10
                AdjustWindow(lParam)
            }
        }
    Return
     
    ; Adjust Window
    AdjustWindow(id)
    {
        WinId := id
        WinTitle := id = "A" ? "A" : "ahk_id " . id
     
        ; This is to check if the window is shown in the alt-tab menu, you don't want to do it on every single frame
        WinGet, WinExStyle, ExStyle, %WinTitle%
        If (WinExStyle & 0x80)
        {
            Return
        }
     
        ; This is to match classes and/or processes
        WinGetClass, WinClass, %WinTitle%
        WinGet, WinProcess, ProcessName, %WinTitle%
     
        ; Explorer
        If WinClass In % "CabinetWClass"
        If WinProcess In % "explorer.exe"
        {
            WinSet, Style, -0xC00000, %WinTitle%
        }
     
        ; foobar2000
        If WinClass In % "{E7076D1C-A7BF-4f39-B771-BCBE88F2A2A8}"
        {
            ; This removes titlebar AND borders, just an example
            WinSet, Style, -0xC40000, %WinTitle%
        }
     
        ; uTorrent
        If WinProcess In % "uTorrent.exe"
        {
            WinSet, Style, -0xC00000, %WinTitle%
        }
     
        ; Uncomment this and comment the above if you don't want it to work on every window
        ; WinSet, Style, -0xC00000, %WinTitle%
    }
     
    AdjustAllWindows:
       WinGet, id, list,,, Program Manager
        Loop, %id%
        {
            AdjustWindow(id%A_Index%)
        }
    Return