some code sets a variable to a sumif formula, offset 2

[Janis]

There is a sheet that is gives updated figures called dct_count.xls. Then
there is the active sheet I'm trying to update. The dct count sheet column
E:E is updated with column d of active sheet. I can't quite understand the
code. There is a sub-routine that sub-totals 3 of the columns including the
DCT's D column.

First it initializes it to 0. Then sets column D for each sub-total range
to this sumif
formula and the offset is 2? There is a column H with service groups.
There are 2 other columns, as well as the dct column, that are sub-totaled
after each service group range.


Set DCT_Count_Range =
Intersect(Workbooks("dct_count.xls").Sheets("dct_count").Range("E:E"),
Workbooks("dct_count.xls").Sheets("dct_count").UsedRange)
DCT_Count_Range.Replace What:=" ", Replacement:="", LookAt:=xlPart, _
SearchOrder:=xlByRows, MatchCase:=False, SearchFormat:=False, _
ReplaceFormat:=False

Application.ScreenUpdating = False
Application.Calculation = xlCalculationManual

For Each C In Intersect(Range("D1264000"), ActiveSheet.UsedRange)
DCT = 0

DCT = Application.WorksheetFunction.SumIf(DCT_Count_Range, C.Value,
DCT_Count_Range.Offset(0, 2))
C.Offset(0, 2).Value = DCT

Next C
Application.Calculate

Set Streams_Needed = Intersect(Range("G12:G64000"),
ActiveSheet.UsedRange)


Question: What is the calculation here?
Is it setting the last cell in the C range to be the sumif formula.......
so that it will calculate the sub-total for each service group and then it is
told to calculate?

The sub-total row gets removed by a subroutine and then added back after
each update process I may be wrong on this supposition because
in the sub-total routine it adds 3 columns on the active sheet including DCT
and it appears to be setting the formula at the end of each service group to
sub-total the 3 columns using sumif formulas. So if it is doing it there
what is it doing here?

I don't understand what the 2 row offset does? For example, say it is in
the last row of the first service group doing a comparison then wouldn't it
be an offset of 1 or does it count the row it is currently on and then one
down and that would be 2?

It sets the range for the streams needed for a sub routine that is called
next. Maybe if I can understand this then I can understand the sub-routine
and why there is a mistake in only one range for one of the sub-totals.
tia,