private void BuildCol1()
{
if (col1 == null)
{
int len = fieldIds.Length;
col1 = new Obj[len];
hashcodes1 = new uint[len];
for (int i = 0; i < len; i++)
{
Obj symbObj = SymbObj.Get(fieldIds[i]);
col1[i] = symbObj;
hashcodes1[i] = symbObj.Hashcode();
}
}
}
