System.Xml.Xsl.XPathConvert.AddU C# (CSharp) Method

public static AddU ( uint &u1, uint u2 ) : uint
u1	uint
u2	uint
return	uint

        public static uint AddU(ref uint u1, uint u2) {
            u1 += u2;
            return u1 < u2 ? 1u : 0u;
        }

XPathConvert