public override ExpressionElement Convert(IExpressionConverter converter, MethodCallExpression method)
{
var v = new VText();
var overMethod = method;
v.Add(overMethod.Method.Name.ToUpper() + "(");
v.AddRange(1, overMethod.Arguments.Skip(1).
Where(e => !(e is ConstantExpression)). //Skip null.
Select(e => converter.Convert(e)).ToArray());
return v.ConcatToBack(")");
}