private IReadOnly CreatePickerReadOnlyObject(DropDownItemBindingDescriptor binding) => (IReadOnly)Activator.CreateInstance ( typeof(PickerReadOnlyObject <>).MakeGenericType(GetModelFieldType(binding.Property)), binding.Property, binding.Title, binding.StringFormat, binding.DropDownTemplate, this.contextProvider );
private void AddDropDowCell(DropDownItemBindingDescriptor binding) => Properties.Add(CreatePickerReadOnlyObject(binding));