protected override CType __GetCType(IIdentifierTypeResolver Resolver)
            {
                var TrueType  = TrueExpression.GetCachedCType(Resolver);
                var FalseType = FalseExpression.GetCachedCType(Resolver);

                if (TrueType == FalseType)
                {
                    return(TrueType);
                }
                else
                {
                    var TrueSize  = TrueType.GetSize(null);
                    var FalseSize = FalseType.GetSize(null);
                    if (TrueSize > FalseSize)
                    {
                        return(TrueType);
                    }
                    if (FalseSize > TrueSize)
                    {
                        return(FalseType);
                    }
                    throw (new NotImplementedException());
                }
            }