AHK: Не стабильный resize

F8::
SetTitleMatchMode, 2
IfWinExist, PuTTY ahk_class PuTTY
{
    WinGet, hwndputty, id
    ;hwndputty:="ahk_id " hwndputty
    WinGetTitle, t, ahk_id %hwndputty%
    WinGetPos, x, y, w, h
    msgbox=,
    (LTrim
        hwndputty(%hwndputty%)
        t(%t%)
        x(%x%) y(%y%) w(%w%) h(%h%)
    )
    ;WinMove, , , , , , % h+15
    MoveWindow(hwndputty, x, y, w, h+15)
    WinGetPos, x, y, w, h
    msgbox=,
    (LTrim
        hwndputty(%hwndputty%)
        t(%t%)
        x(%x%) y(%y%) w(%w%) h(%h%)
    )
}
Else msgbox, 16, , PuTTY not found!
return

MoveWindow(hwnd, x, y, w="", h="", repaint=1)
{
    WM_ENTERSIZEMOVE=0x0231
     WM_EXITSIZEMOVE=0x0232
    SendMessage, WM_ENTERSIZEMOVE
    WinMove, , , x, y, w, h
    ;DllCall("MoveWindow", "UInt", hwnd, "Int", x, "Int", y, "Int", w, "Int", h, "Int", repaint)
    SendMessage, WM_EXITSIZEMOVE
}