New Post: Dropdown button and propertygrid

namespace Xceed.Wpf.Toolkit.PropertyGrid.Implementation.Editors
{
    /// <summary>
    /// Interaction logic for DataSourceEditor.xaml
    /// </summary>
    public partial class DataSourceEditor : DropDownButton, ITypeEditor
    {
        public DataSourceEditor()
        {
        }

        public FrameworkElement ResolveEditor(IPropertyItem propertyItem)
        {
            Binding binding = new Binding("Value");
            binding.Source = propertyItem;
            binding.Mode = propertyItem.IsReadOnly ? BindingMode.OneWay : BindingMode.TwoWay;
            BindingOperations.SetBinding(this, DataSourceEditor.ContentProperty, binding);
            return this;
        }
    }
}

              case PropertyEditorType.DataSourceEditor:
                    return new DataSourceEditor().ResolveEditor(propertyItem);