System.Xml.XmlBaseWriter.WriteWhitespace C# (CSharp) Method

        public override void WriteWhitespace(string whitespace)
        {
            if (IsClosed)
                ThrowClosed();

            if (whitespace == null)
                throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(whitespace));

            for (int i = 0; i < whitespace.Length; ++i)
            {
                char c = whitespace[i];
                if (c != ' ' &&
                    c != '\t' &&
                    c != '\n' &&
                    c != '\r')
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.Format(SR.XmlOnlyWhitespace), nameof(whitespace)));
            }

            WriteString(whitespace);
        }