public void btnAdicionarEncomenda_Clicked(object sender, EventArgs e)
        {
            ContentPageAdicionarNovaEncomenda TelaAdicionarNovaEncomenda = new ContentPageAdicionarNovaEncomenda();

            Navigation.PushModalAsync(TelaAdicionarNovaEncomenda);
            ConsultandoEncomendasInTracks();
        }
        private async void listviewEncomendasAddGeral_Refreshing(object sender, EventArgs e)
        {
            ContentPageAdicionarNovaEncomenda refreshList = new ContentPageAdicionarNovaEncomenda();

            for (int i = 0; i < ObsColListEncomendas.Count; i++)
            {
                refreshList.entryPropDescriçãoEncomenda = ObsColListEncomendas[0].Descricao;
                refreshList.entryPropTelefone           = ObsColListEncomendas[0].Telefone;
                refreshList.entryPropValorEncomenda     = ObsColListEncomendas[0].Preço;
                refreshList.AtribuindoValorEntryParaEditarInfo();
                await refreshList.GetJsonStringContent(ObsColListEncomendas[i].Codigo);
            }
            await ConsultandoEncomendasInTracks();

            listviewEncomendasAddGeral.EndRefresh();
        }