rem: rect.OffsetBy(fWindowCount * 15, fWindowCount * 15);
add: rect.OffsetBy(probeWindows * 15, probeWindows * 15);
context: DiskProbe::Probe(entry_ref &ref){	// Do we already have that window open?	for (int32 i = CountWindows(); i-- > 0; ) {		ProbeWindow *window = dynamic_cast<ProbeWindow *>(WindowAt(i));		if (window == NULL)			continue;				if (window->EntryRef() == ref) {			window->Activate(true);			return B_OK;		}	}	// Does the file really exists?	BFile file;	status_t status = file.SetTo(&ref, B_READ_ONLY);	if (status < B_OK)		return status;	// cascade window	BRect rect = fWindowPosition;	rect.OffsetBy(fWindowCount * 15, fWindowCount * 15);	BWindow *window = new ProbeWindow(rect, &ref);	window->Show();	fWindowCount++;	return B_OK;}