private void obterWidgets()
        {
            ibtAdicionar = (ImageButton)findViewById(Resource.Id.layout_listview_ibt_adicionar);
            ibtAdicionar.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v)
            {
                Bundle parametros = new Bundle();
                parametros.putInt("RegNumPedido", pedido.getRegNumPedido());
                startActivity(new Intent(PedidoItensGradeActivity.this, MercadoriasGradeActivity.class).putExtras(parametros));
            }
});
        lvItens = (ListView) findViewById(Resource.Id.layout_listview_lv_dados);
tvEmpty = (TextView) findViewById(Resource.Id.layout_listview_tv_empty);
tvEmpty.setText("Nenhum item encontrado");
    }

private void obterWidgets()
 {
            ibtAdicionar = (ImageButton)findViewById(Resource.Id.layout_listview_ibt_adicionar);
            ibtAdicionar.OnClickListener = new OnClickListenerAnonymousInnerClass(this);
        lvItens = (ListView) findViewById(Resource.Id.layout_listview_lv_dados);
tvEmpty = (TextView) findViewById(Resource.Id.layout_listview_tv_empty);
tvEmpty.Text = "Nenhum item encontrado";
 }

    private class OnClickListenerAnonymousInnerClass : View.OnClickListener
    {
        private readonly MissingClass outerInstance;

        public OnClickListenerAnonymousInnerClass(MissingClass outerInstance)
        {
            this.outerInstance = outerInstance;
        }

        public override void onClick(View v)
        {
            Bundle parametros = new Bundle();
            parametros.putInt("RegNumPedido", pedido.RegNumPedido);
            startActivity((new Intent(PedidoItensGradeActivity.this, typeof(MercadoriasGradeActivity))).putExtras(parametros));
        }
    }

startActivity((new Intent(PedidoItensGradeActivity.this, typeof(MercadoriasGradeActivity))).putExtras(parametros));