WPF Draggable Label

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Xml;
using System.Xml.Linq;
using System.IO;
using RtwControls;

namespace DraggableLabelTest
{
    /// <summary>
    /// Interaction logic for LayoutWindow.xaml
    /// </summary>
    public partial class LayoutWindow : Window
    {
        public LayoutWindow()
        {
            InitializeComponent();
        }

        private void draggableLabel_Drag(object sender, DraggableLabelDragEventArgs e)
        {
            controlDetails.Content = sender.ToString();
        }

        private void draggableLabel_Resize(object sender, DraggableLabelResizeEventArgs e)
        {
            controlDetails.Content = sender.ToString();
        }

        private void defaultButton_Click(object sender, RoutedEventArgs e)
        {
            SetDefaultLauout();
        }

        private void saveButton_Click(object sender, RoutedEventArgs e)
        {
            SaveLayout();
            MessageBox.Show("Successfully Saved.", "Layout", MessageBoxButton.OK, MessageBoxImage.Information);
            this.Close();
        }

        private void cancelButton_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        private void SetDefaultLauout()
        {
            nameLabel.RenderTransform = new TranslateTransform(0, 0);
            addressLabel.RenderTransform = new TranslateTransform(0, 0);
            emailLabel.RenderTransform = new TranslateTransform(0, 0);
            countryLabel.RenderTransform = new TranslateTransform(0, 0);
            ageLabel.RenderTransform = new TranslateTransform(0, 0);
            genderLabel.RenderTransform = new TranslateTransform(0, 0);
            dateLabel.RenderTransform = new TranslateTransform(0, 0);

            nameLabel.Width = double.NaN;
            nameLabel.Height = double.NaN;
            addressLabel.Width = double.NaN;
            addressLabel.Height = double.NaN;
            emailLabel.Width = double.NaN;
            emailLabel.Height = double.NaN;
            countryLabel.Width = double.NaN;
            countryLabel.Height = double.NaN;
            ageLabel.Width = double.NaN;
            ageLabel.Height = double.NaN;
            genderLabel.Width = double.NaN;
            genderLabel.Height = double.NaN;
            dateLabel.Width = double.NaN;
            dateLabel.Height = double.NaN;
        }

        private void SaveLayout()
        {
            var layout = new XElement("Layout",
                    new XElement("NameLabel",
                        new XAttribute("Top", nameLabel.TranslatePoint(new Point(0, 0), this).Y),
                        new XAttribute("Left", nameLabel.TranslatePoint(new Point(0, 0), this).X),
                        new XAttribute("Width", nameLabel.ActualWidth),
                        new XAttribute("Height", nameLabel.ActualHeight)
                    ),
                    new XElement("AddressLabel",
                        new XAttribute("Top", addressLabel.TranslatePoint(new Point(0, 0), this).Y),
                        new XAttribute("Left", addressLabel.TranslatePoint(new Point(0, 0), this).X),
                        new XAttribute("Width", addressLabel.ActualWidth),
                        new XAttribute("Height", addressLabel.ActualHeight)
                    ),
                     new XElement("EmailLabel",
                        new XAttribute("Top", emailLabel.TranslatePoint(new Point(0, 0), this).Y),
                        new XAttribute("Left", emailLabel.TranslatePoint(new Point(0, 0), this).X),
                        new XAttribute("Width", emailLabel.ActualWidth),
                        new XAttribute("Height", emailLabel.ActualHeight)
                    ),
                     new XElement("CountryLabel",
                        new XAttribute("Top", countryLabel.TranslatePoint(new Point(0, 0), this).Y),
                        new XAttribute("Left", countryLabel.TranslatePoint(new Point(0, 0), this).X),
                        new XAttribute("Width", countryLabel.ActualWidth),
                        new XAttribute("Height", countryLabel.ActualHeight)
                    ),
                     new XElement("AgeLabel",
                        new XAttribute("Top", ageLabel.TranslatePoint(new Point(0, 0), this).Y),
                        new XAttribute("Left", ageLabel.TranslatePoint(new Point(0, 0), this).X),
                        new XAttribute("Width", ageLabel.ActualWidth),
                        new XAttribute("Height", ageLabel.ActualHeight)
                    ),
                     new XElement("GenderLabel",
                        new XAttribute("Top", genderLabel.TranslatePoint(new Point(0, 0), this).Y),
                        new XAttribute("Left", genderLabel.TranslatePoint(new Point(0, 0), this).X),
                        new XAttribute("Width", genderLabel.ActualWidth),
                        new XAttribute("Height", genderLabel.ActualHeight)
                    ),
                     new XElement("DateLabel",
                        new XAttribute("Top", dateLabel.TranslatePoint(new Point(0, 0), this).Y),
                        new XAttribute("Left", dateLabel.TranslatePoint(new Point(0, 0), this).X),
                        new XAttribute("Width", dateLabel.ActualWidth),
                        new XAttribute("Height", dateLabel.ActualHeight)
                    )
                );

            layout.Save("layout.xml");
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            if (File.Exists("layout.xml"))
            {
                XElement layout = XElement.Load("layout.xml");

                var elements = layout.Elements().Select(
                    el => new { Name = el.Name, Top = (double)el.Attribute("Top"), Left = (double)el.Attribute("Left"), Width = (double)el.Attribute("Width"), Height = (double)el.Attribute("Height") });

                var element = elements.Where(el => el.Name == "NameLabel").Single();
                var initialLocation = nameLabel.TranslatePoint(new Point(0, 0), this);
                nameLabel.RenderTransform = new TranslateTransform(element.Left - initialLocation.X, element.Top - initialLocation.Y);
                nameLabel.Width = element.Width;
                nameLabel.Height = element.Height;

                element = elements.Where(el => el.Name == "AddressLabel").Single();
                initialLocation = addressLabel.TranslatePoint(new Point(0, 0), this);
                addressLabel.RenderTransform = new TranslateTransform(element.Left - initialLocation.X, element.Top - initialLocation.Y);
                addressLabel.Width = element.Width;
                addressLabel.Height = element.Height;

                element = elements.Where(el => el.Name == "EmailLabel").Single();
                initialLocation = emailLabel.TranslatePoint(new Point(0, 0), this);
                emailLabel.RenderTransform = new TranslateTransform(element.Left - initialLocation.X, element.Top - initialLocation.Y);
                emailLabel.Width = element.Width;
                emailLabel.Height = element.Height;

                element = elements.Where(el => el.Name == "CountryLabel").Single();
                initialLocation = countryLabel.TranslatePoint(new Point(0, 0), this);
                countryLabel.RenderTransform = new TranslateTransform(element.Left - initialLocation.X, element.Top - initialLocation.Y);
                countryLabel.Width = element.Width;
                countryLabel.Height = element.Height;

                element = elements.Where(el => el.Name == "AgeLabel").Single();
                initialLocation = ageLabel.TranslatePoint(new Point(0, 0), this);
                ageLabel.RenderTransform = new TranslateTransform(element.Left - initialLocation.X, element.Top - initialLocation.Y);
                ageLabel.Width = element.Width;
                ageLabel.Height = element.Height;

                element = elements.Where(el => el.Name == "GenderLabel").Single();
                initialLocation = genderLabel.TranslatePoint(new Point(0, 0), this);
                genderLabel.RenderTransform = new TranslateTransform(element.Left - initialLocation.X, element.Top - initialLocation.Y);
                genderLabel.Width = element.Width;
                genderLabel.Height = element.Height;

                element = elements.Where(el => el.Name == "DateLabel").Single();
                initialLocation = dateLabel.TranslatePoint(new Point(0, 0), this);
                dateLabel.RenderTransform = new TranslateTransform(element.Left - initialLocation.X, element.Top - initialLocation.Y);
                dateLabel.Width = element.Width;
                dateLabel.Height = element.Height;
            }
        }
    }
}