using System;
using System.Collections;

namespace Servergeek.Collections
{
	[Serializable]
	public class FooCollection: CollectionBase
	{
		public int Add(Foo aFoo)
		{
			return InnerList.Add(aFoo);
		}

		public void Remove(Foo aFoo)
		{
			InnerList.Remove(aFoo);
		}

		public Foo this[int index]
		{
			get { return (Foo)InnerList[index]; }
		}

		public void CopyTo(Foo[] target, int index)
		{
			InnerList.CopyTo(target, index);
		}

		public bool Contains(Foo element)
		{
			return InnerList.Contains(element);
		}

		public int IndexOf(Foo element)
		{
			return InnerList.IndexOf(element);
		}

		public void Insert(int index, Foo aFoo)
		{
			InnerList.Insert(index, aFoo);
		}		
	}
}

public class MyCtrlDesigner: ControlDesigner
{
	internal DataModel GetDataModel()
	{
		DataModel dm = new DataModel();
		// Fill in data model here...
		return dm;
	}

	public override string GetDesignTimeHtml()
	{
		string result = null;
		MyCtrl theCtrl = Component as MyCtrl 
		if(theCtrl != null)
		{
			// Render a table with dummy values using the properties
			// from the control
			StringWriter stringWriter = new StringWriter();
			HtmlTextWriter htmlWriter = new HtmlTextWriter(stringWriter);

			DataModel model = GetDataModel();

			MyCtrlView view = new MyCtrlView();
			view.Render(theCtrl, htmlWriter, model);
			
			htmlWriter.Flush();
			result = stringWriter.ToString();
			htmlWriter.Close();
			stringWriter.Close();
		}
		return result;
	}
}

[Designer(typeof(MyCtrlDesigner))]
public class MyCtrl : System.Web.UI.WebControls.WebControl, 
                            IPostBackDataHandler, IPostBackEventHandler, INamingContainer
{
	...
}