C#

[XmlIgnoreAttribute()]
[SoapIgnoreAttribute()]
[DataMemberAttribute()]
[EdmRelationshipNavigationPropertyAttribute("ModelStart", "PlayerHobbie", "Hobbie")]
public EntityCollection<Hobbie> Hobbies
{

using (ModelStartContainer model= new ModelStartContainer())
            {
                /*
                Player obj= new Player();
                
                Hobbie o1= new Hobbie();
                o1.Sport = "Tennis";
                obj.Hobbies.Add(o1);

                Hobbie o2 = new Hobbie();
                o2.Sport = "Ski";
                obj.Hobbies.Add(o2);

                obj.Name = "Georgen";
                
                model.Players.AddObject(obj);
                model.SaveChanges();

                 */
 
                try
                {
                    var queryable = model.Players.Include("Hobbies").ToList();

                    using (XmlWriter writer = XmlWriter.Create(@"c:\Serialize\conTemp.xml"))
                    {
                        DataContractSerializer serializer = new DataContractSerializer(queryable.GetType());
                        serializer.WriteObject(writer, queryable);
                    }
                }
                catch (EntitySqlException ex)
                {
                    throw new ApplicationException("The object query failed", ex);
                }
                catch (EntityCommandExecutionException ex)
                {
                    throw new ApplicationException("The object query failed", ex);
                }
                catch (SerializationException ex)
                {
                    throw new ApplicationException("The object graph could not be serialized", ex);
                }
                  
            }

private bool IsMouseDown = false;

private int tick = 0;

private void button1_MouseDown(object sender, MouseEventArgs e)
{
    IsMouseDown = true;

    while (IsMouseDown)
    {
        tick++;
        // comment the line below out and observe what happens when you run the app
        Application.DoEvents(); // this is the nasty part, in case you don't know
    }
}

private void button1_MouseUp(object sender, MouseEventArgs e)
{
    IsMouseDown = false;

    Console.WriteLine(String.Format("ticks = {0}", tick));
}