#include <CtrlLib/CtrlLib.h>

using namespace Upp;

class App : public TopWindow
{
	typedef App CLASSNAME;
	ArrayCtrl 	array;
	Button		btn;
	
//this will remove all ArrayCtrl rows if last row selected:
	void RemoveArrSel() { array.RemoveSelection(); }

	public:
	App() {		
		array.AddColumn("some data");
		for(int i = 1; i < 51; i++)
			array.Add(FormatIntRoman(i, true));
		
		SetRect(0, 0, 300, 300);
		Add(array.HSizePos().TopPos(0, 170));
		
		btn.SetLabel("remove selected");
		Add(btn.HCenterPos(100).BottomPos(4));
		btn.WhenAction = THISBACK(RemoveArrSel);
	}
};

GUI_APP_MAIN
{
	App().Run();
}