using System;
using System.Windows;

namespace Microsoft.Research.DynamicDataDisplay.DataSources
{
	/// <summary>Data source that returns sequence of 2D points.</summary>
	public interface IPointDataSource
	{

		/// <summary>Returns object to enumerate points in source.</summary>
		IPointEnumerator GetEnumerator(DependencyObject context);

		/// <summary>This event is raised when contents of source are changed.</summary>
		event EventHandler DataChanged;
	}
}