AspectSharp.Builder.XmlEngineBuilder.GetRequiredAttribute C# (CSharp) Method

		private String GetRequiredAttribute(XmlNode node, String key)
		{
			String value = GetAttribute(node, key, null);
			if (value == null)
			{
				throw new BuilderException("Error parsing contents. XmlNode " + node.Name + "requires an attribute named " + key);
			}
			return value;
		}