protected void OnPasteGridCommand()
        {
            var vmList = new List <SwitchableGroupVm>();

            try
            {
                var clipboardLines = Clipboard.GetText().Split("\n".ToCharArray());

                foreach (var line in clipboardLines.Where(t => !String.IsNullOrEmpty(t)))
                {
                    vmList.Add(new SwitchableGroupVm(line.ToSwitchableGroup()));
                }
            }
            catch (Exception)
            {
                MessageBox.Show("cant parse data on clipboard");
                return;
            }

            SwitchableGroupVms.AddMany(vmList);
        }
 bool CanClearGridCommand()
 {
     return(SwitchableGroupVms.Any());
 }
 protected void OnClearGridCommand()
 {
     SwitchableGroupVms.Clear();
 }