Copy from common to common

public static void copyRecord(Common _fromRecord, Common _toRecord)
{
DictTable fromDictTable;
DictField fromDictField, toDictField;
FieldId fromFieldId, toFieldId;
int num;
int i;
str fieldname;
;

fromDictTable = new DictTable(_fromRecord.TableId);

num = fromDictTable.fieldCnt();

for(i=0; i<num; i++)
{
fromFieldId = fromDictTable.fieldCnt2Id(i);
fromDictField = new DictField(_fromRecord.TableId, fromFieldId);
if(fromDictField.isSystem() == false)
{
fieldname = fromDictField.name();
toFieldId = fieldName2id(_toRecord.TableId, fieldName);
if(toFieldId != 0)
{
_toRecord.(toFieldId) = _fromRecord.(fromFieldId);
}
}
}
}