ICSharpCode.NRefactory.CSharp.Completion.CSharpCompletionEngine.GetPreviousMemberReferenceExpression C# (CSharp) Method

		public string GetPreviousMemberReferenceExpression(int tokenIndex)
		{
			string result = GetPreviousToken(ref tokenIndex, false);
			result = GetPreviousToken(ref tokenIndex, false);
			if (result != ".") {
				result = null;
			} else {
				var names = new List<string>();
				while (result == ".") {
					result = GetPreviousToken(ref tokenIndex, false);
					if (result == "this") {
						names.Add("handle");
					} else if (result != null) {
						string trimmedName = result.Trim();
						if (trimmedName.Length == 0) {
							break;
						}
						names.Insert(0, trimmedName);
					}
					result = GetPreviousToken(ref tokenIndex, false);
				}
				result = String.Join("", names.ToArray());
				foreach (char ch in result) {
					if (!char.IsLetterOrDigit(ch) && ch != '_') {
						result = "";
						break;
					}
				}
			}
			return result;
		}