public PaginatedListviewController(PxListView listview, Button btnAnterior, Button btnProximo, PxPageIntegerBox txtNroPagina, GroupBox grpBox, bool contadorElementos)
		{
            this.contadorElementos = contadorElementos;
			mListview = listview;
			this.btnAnterior = btnAnterior;
			this.btnProximo = btnProximo;
			this.grpBox = grpBox;
			this.mOriginalLabel = string.Empty + grpBox.Text;
			this.txtNroPagina = txtNroPagina;
			CurrentPageNr = 1;

            mListview.BeforeNewSelection += Listview_BeforeNewSelection;
            mListview.DeeperLevelSelection += Listview_DeeperLevelSelection;
            txtNroPagina.GoToPage += TxtNroPagina_BeforeNewSelection;
            btnAnterior.Click += btnAnterior_Click;
            btnProximo.Click += btnProximo_Click;
		}
 public PaginatedListviewController(PxListView listview, Button btnAnterior, Button btnProximo, PxPageIntegerBox txtNroPagina, GroupBox grpBox)
     : this(listview, btnAnterior, btnProximo, txtNroPagina, grpBox, false)
 { }