public CLS_Content.Value ComputeValue(CLS_Content content)
{
content.InStack(this);
CLS_Content.Value value = listParam[0].ComputeValue(content);
CLS_Content.Value result;
if ((bool)value.value)
result = listParam[1].ComputeValue(content);
else
result = listParam[2].ComputeValue(content);
content.OutStack(this);
return result;
}