System.Xml.XmlReader.XmlReader.ReadContentString C# (CSharp) Method

		private string ReadContentString (bool isText)
		{
			if (isText) {
				switch (NodeType) {
				case XmlNodeType.Text:
				case XmlNodeType.SignificantWhitespace:
				case XmlNodeType.Whitespace:
				case XmlNodeType.CDATA:
					break;
				case XmlNodeType.Element:
					throw new InvalidOperationException (String.Format ("Node type {0} is not supported in this operation.{1}", NodeType, GetLocation ()));
				default:
					return String.Empty;
				}
			}

			string value = String.Empty;
			do {
				switch (NodeType) {
				case XmlNodeType.Element:
					if (isText)
						return value;
					throw XmlError ("Child element is not expected in this operation.");
				case XmlNodeType.EndElement:
					return value;
				case XmlNodeType.Text:
				case XmlNodeType.CDATA:
				case XmlNodeType.SignificantWhitespace:
				case XmlNodeType.Whitespace:
					value += Value;
					break;
				}
			} while (Read ());
			throw XmlError ("Unexpected end of document.");
		}