Wait for WorkSheet.Calculate to finish

KBARAD

New Member
Joined
Mar 31, 2020
Messages
12
Office Version
  1. 2013
Platform
  1. Windows
I have a (large) worksheet with many interdependencies. Due to the heavy processing demand I've had to take a few measures:
  1. automatic calculation -> manual
  2. do not recalculate on save
  3. a control panel of buttons to selectively recalculate different sheets to allow minimum recalculation depending on which part of the workbooks we want to update
I'm having problems with number 3: It is not feasible to use a full workbook recalculation - It does need to be done sheet by sheet and there are specific sequences to manage. Making vba to control the sequence is fine except for one issue:
WorkSheet.Calculate is non blocking.

I have taken the usual approach of a wait function after doing a sheet.calculate :

VBA Code:
Private Sub waitforcalc()
    Do Until Application.CalculationState = xlDone
        DoEvents 'let events happen, like calculation
    Loop
End Sub

Unfortunately this never leaves the loop: it seems that as long as any cell is still considered "dirty" the CalculationState remains 2 (pending) so this doesn't work for sheet by sheet (and I understand for large books the management of clean/dirty is suboptimal). I have tried the alternative:

VBA Code:
Private Sub waitforcalc()
    Do While Application.CalculationState = xlCalculating
        DoEvents 'let events happen, like calculation
    Loop
End Sub

but this doesn't seem to be waiting.

Is there a way for a large workbook to do sheet based calculation in a blocking call / with a wait phase?
 

Excel Facts

Can a formula spear through sheets?
Use =SUM(January:December!E7) to sum E7 on all of the sheets from January through December

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