Castle.MonoRail.Framework.Helpers.FormHelper.IsPresent C# (CSharp) Method

		protected internal static bool IsPresent(object value, object initialSetValue, 
												 ValueGetter propertyOnInitialSet, bool isMultiple)
		{
			if (!isMultiple)
			{
				object valueToCompare = initialSetValue;
				
				if (propertyOnInitialSet != null)
				{
					// propertyOnInitialSet.GetValue(initialSetValue, null);
					valueToCompare = propertyOnInitialSet.GetValue(initialSetValue); 
				}
				
				return AreEqual(value, valueToCompare);
			}
			else
			{
				foreach(object item in (IEnumerable) initialSetValue)
				{
					object valueToCompare = item;

					if (propertyOnInitialSet != null)
					{
						// valueToCompare = propertyOnInitialSet.GetValue(item, null);
						valueToCompare = propertyOnInitialSet.GetValue(item); 
					}

					if (AreEqual(value, valueToCompare))
					{
						return true;
					}
				}
			}
			
			return false;
		}