C# (CSharp) ListViewModel.AddItem示例

示例#1

        public override bool OnCreateOptionsMenu(IMenu menu)
        {
            MenuInflater.Inflate(Resource.Menu.list, menu);

            var item = menu.FindItem(Resource.Id.list_add);

            item.ActionView.Click += (v, args) =>
            {
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.SetTitle("Add a to-do");

                EditText input = new EditText(this);
                input.SetSingleLine(true);
                builder.SetView(input);

                builder.SetPositiveButton("OK", (dialog, which) =>
                {
                    viewModel.AddItem(input.Text);
                });

                builder.SetNegativeButton("Cancel", (dialog, which) => { });

                builder.Show();
            };
            return(true);
        }

示例#2

        private void AddItem(object sender, System.EventArgs e)
        {
            var input = (sender as Entry);

            if (input.Text == string.Empty)
            {
                return;
            }

            var text = input.Text.Trim().Split(' ');

            var amount = text.Where(i => i.All(char.IsDigit)).FirstOrDefault() ?? "1";

            var product = String.Join(
                " ",
                text.Where(i => !i.All(char.IsDigit)).ToArray()
                );

            model.AddItem(new Item(new Product(product), int.Parse(amount)));
            input.Text = String.Empty;
            input.Focus();
#pragma warning disable
            model.Save();
#pragma warning restore
        }

示例#3

 public ViewModel()
 {
     listViewModel = new ListViewModel();
     ListViewModel.AddItem();
     gridViewModel = new GridViewModel();
 }