ET9_WebGL_Dev/CSharp/Editor/Design/DesignDataService.cs

using System;
using Editor.Model;

namespace Editor.Design
{
	public class DesignDataService : IDataService
	{
		public void GetData(Action<DataItem, Exception> callback)
		{
			// Use this to create design time data

			var item = new DataItem("Welcome to MVVM Light [design]");
			callback(item, null);
		}
	}
}