System.Xaml.XamlWriterInternalBase.WriteStartMember C# (CSharp) Method

		public void WriteStartMember (XamlMember property)
		{
			if (property == null)
				throw new ArgumentNullException ("property");

			manager.StartMember ();
			if (property == XamlLanguage.PositionalParameters)
				// this is an exception that indicates the state manager to accept more than values within this member.
				manager.AcceptMultipleValues = true;

			var state = object_states.Peek ();
			var wpl = state.WrittenProperties;
			if (wpl.Any (wp => wp.Member == property))
				throw new XamlDuplicateMemberException (String.Format ("Property '{0}' is already set to this '{1}' object", property, object_states.Peek ().Type));
			wpl.Add (new MemberAndValue (property));
			if (property == XamlLanguage.PositionalParameters)
				state.PositionalParameterIndex = 0;

			OnWriteStartMember (property);
		}