func ConvertXYToPos(ih *Ihandle, x, y int) int { return int(C.IupConvertXYToPos(ih.C(), C.int(x), C.int(y))) }
func (h *Handle) ConvertXYToPos(x, y int) int { return int(C.IupConvertXYToPos(h.p, C.int(x), C.int(y))) }