System.Xml.Serialization.TypeData.GetGenericListItemType C# (CSharp) Method

		private Type GetGenericListItemType (Type type)
		{
			if (type.IsGenericType && type.GetGenericTypeDefinition () == typeof (ICollection<>))
				return type.GetGenericArguments () [0];
			Type t = null;
			foreach (Type i in type.GetInterfaces ())
				if ((t = GetGenericListItemType (i)) != null)
					return t;
			return null;
		}
#endif