void ExpressPane::Add(const char *text, Ctrl& slave){
        int btnIndx = closer.GetCount();
	Button& button = closer.Add();
	button <<= THISBACK1(Toggle, btnIndx);
	button.SetLabel(text);
	button.HSizePosZ(0, 0).BottomPosZ(BTN_SPACE * (btnIndx-1), BTN_SPACE -2);
	splitter.HSizePosZ(0, 0).VSizePosZ(0, BTN_SPACE * btnIndx);
	Ctrl::Add(button);
	SlaveControl& slvCtrl = slaves.Add();
	slvCtrl.isInSplitter = false;
	slvCtrl.slave = &slave;
}