private void OnAddClick(object sender, EventArgs e)
{
if (this.viewModel.EntityMetadataList.Count == 0)
{
return;
}
using (var dialog = new ConfiguratorDialog2(this.messenger, this.viewModel.EntityMetadataList))
{
if (dialog.ShowDialog(this) != DialogResult.OK)
{
return;
}
var memento = dialog.Memento;
if (this.viewModel.Memento == null)
{
this.viewModel.Memento = new EngineMemento();
}
this.viewModel.Memento.Entities.Add(memento);
this.viewModel.RefreshMemento();
}
}