gistfile1.cs

//Option 1
public class Service : IDisposable
{
  public Service (IConnectionProvider connectionProvider)
  {
    this.connection = connectionProvider.CreateConnection();
  }

  public void Dispose()
  {
    connection.Dispose();
  }
}

//Option 2
public class Service : IDisposable
{
  public Service (IConnectionProvider connectionProvider)
  {
    this.connectionProvider = connectionProvider;
    this.connection = connectionProvider.CreateConnection();
  }

  public void Dispose()
  {
    connectionProvider.Release(connection);
  }
}

public class TuControler : IDisposable
{
public TuController(IConnectionProvider connectionProvider)
{
this.connection = connectionProvider.GetConnection();
}

public void Dispose()
{
connection.Dispose();
}
}