private void fillFormula(Record r)
{
oRng = oSheet.get_Range("D" + (r.startIndex + 1), "D" + (r.startIndex + r.step));
oRng.Formula = "=$D$" + r.startIndex + " & \".\" & C" + (r.startIndex + 1);
}
private void applyIndent(Record r)
{
if(r.depth == 0)
{
oSheet.get_Range("B" + (r.startIndex + 1), "B" + (r.startIndex + r.step)).IndentLevel = 2;
}
}