public void SetCollapsed(Expression expression)
		{
			expanded.SetCollapsed(expression.PrettyPrint());
		}
		/// <summary>
		/// Evaluates System.Collections.ICollection.Count property on given object.
		/// </summary>
		/// <exception cref="GetValueException">Evaluating System.Collections.ICollection.Count on targetObject failed.</exception>
		public static int GetIListCount(Expression targetObject)
		{
			Value list = targetObject.Evaluate(WindowsDebugger.CurrentProcess);
			var iCollectionInterface = list.Type.GetInterface(typeof(ICollection).FullName);
			if (iCollectionInterface == null)
				throw new GetValueException(targetObject, targetObject.PrettyPrint() + " does not implement System.Collections.ICollection");
			PropertyInfo countProperty = iCollectionInterface.GetProperty("Count");
			// Do not get string representation since it can be printed in hex
			return (int)list.GetPropertyValue(countProperty).PrimitiveValue;
		}
		public bool IsExpanded(Expression expression)
		{
			return expanded.IsExpanded(expression.PrettyPrint());
		}