System.Xml.XmlBaseReader.NamespaceManager.TryGetShortPrefix C# (CSharp) Méthode

            private bool TryGetShortPrefix(string s, out PrefixHandleType shortPrefix)
            {
                int length = s.Length;
                if (length == 0)
                {
                    shortPrefix = PrefixHandleType.Empty;
                    return true;
                }
                if (length == 1)
                {
                    char ch = s[0];
                    if (ch >= 'a' && ch <= 'z')
                    {
                        shortPrefix = PrefixHandle.GetAlphaPrefix(ch - 'a');
                        return true;
                    }
                }
                shortPrefix = PrefixHandleType.Empty;
                return false;
            }