Calculation Code For Calculator Runs Slow

Oct 1, 2006

I am making a small push button calculator to enter data into a textbox on a userform in an add-in file and this works fairly slowly. I am trying to concatenate a list of numbers in a textbox that simulates a calculator screen when entering numbers.

Private Sub CommandButton6_Click()
Dim Val
Val = "6"
Dim valand As Range
Set valand = ThisWorkbook.Worksheets("Stageing").Range("K65536").End(xlUp).Offset(1, 0)
valand = Val
Dim A As Range, B, C, d, E, F, G, H, I, J
Set A = ThisWorkbook.Worksheets("Stageing").Range("K2")
Set B = A.Offset(1, 0)
Set C = B.Offset(1, 0)
Set d = C.Offset(1, 0)
Set E = d.Offset(1, 0)
Set F = E.Offset(1, 0)
Set G = F.Offset(1, 0)
Set H = G.Offset(1, 0)
Set I = H.Offset(1, 0)
Set J = I.Offset(1, 0)
TextBox1.Value = A & B & C & d & E & F & G & H & I
End Sub

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Spreadsheet Runs Slow..?

Dec 12, 2008

I created this spreadsheet to assist with pricing for my towing company. I struggled with getting the dropdown lists and combo boxes to work, and I created and deleted many of them before I got it to work like I wanted, but I think I left a mess. It runs slow, showing a delay when I click on different radio buttons, and there is an exclamation point in the Excel icon in the file directory. Could someone take a look in the code structure and tell me if there are any opportunities to clean it up. RateCalcApp.xlsm

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The code below runs on a spreadsheet that has approx 600 rows which INDEX and MATCH another spreadsheet which has approx 600 rows. I takes about 4 mins to run.
Sub QC()

ActiveCell.FormulaR1C1 = "Compared CCCD"
Columns("T:T").ColumnWidth = 15.29
Selection.PasteSpecial Paste:=xlPasteFormats, Operation:=xlNone, _
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Its taking over 3 hours to do this whole page of calculations. So i opened up visual c++ and quickly programmed in the same code with some generic values and within 3 seconds it computed it all. My guess is that the bottle neck is when excel has retrieve data from the cells because other than that i cant figure out why its so slow. Heres a section of my

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Sep 4, 2009

I'm at my wits end trying to work out why I'm getting a circular reference when this code runs:

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With Range("K5").Resize(40, 1)
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End With
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The circular reference cell is K29. I have an "X" in K46 after which all the values in TextBox1 are copied.

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I have the following piece of
Sub Summarise_Variations()

Dim myRange As Range
Dim Write_Cell As Long

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End With

It happily goes through a list and sums multiple records. It might not be the most efficient or best way to do it but it works and when I run it on a couple of stand alone sheets it takes a couple of seconds to process if that.

Unfortunately when I run it as part of the overall application that I've developed it takes ages to run, i.e. more like ten minutes.

The spreadsheet has a few graphs and about 250 sumproduct and array formula live in it but all other formula on other sheets are created and then paste valued as part of other VBA routines. As you can see I've also turned calculation off as the procedure runs so don't understand why it is suddenly taking so long.

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Aug 4, 2008

way the code below can be made more efficient? Basically, I drop down a combobox, and based on the value i select, it populates a lot of textboxes etc based on the listindex.....

Private Sub ComboBox3_Click()
On Error Resume Next
With Me.ComboBox3
If .ListIndex = -1 Then Exit Sub
Label23.Caption = Sheets("overview").Cells(.ListIndex + 2, "c").Value
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It takes about 10 seconds every time i choose another project

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I do those things, I set every object = nothing... I even moved them up to right after I use the object. When I open the workbook, my process's shows excel at 38000K. my first go of running code, stepping thru is great... I watch my process and see that I get up to 78000K... I then exit my code, properly... and the process goes only down to about 50000K. If I run it a 2nd time excel process show almost a 100000k and stepping thru is slow, slow motion... a 3rd time and I am at 120000k. I am setting everything to nothing and can't figure it out... I have done bigger projects with more forms, recordsets, collections and never have had this problem.

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I have some code sat in worksheet_change (or worksheet_pivotupdate):

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Sub IC_Delays()
Application.ScreenUpdating = False
Application.DisplayAlerts = False
Windows("Delays List.xls").Activate
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Range("A1:I" & Cells(Rows.Count, "A").End(xlUp).Row).Select.........

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If you open the file sets.xls, you will see that I have listed 5 sets of 10 numbers.

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I know there are 50+ sets like these and I have listed just 5 of them.

How can I search the other sets?

I have uploaded a zip file which has an excel file. Run the module "DoIt" and you will get all 50+ sets like these.

The problem is that the module takes 42 minutes on my Celeron 800 Mhz 256 MB SDRAM. I want to reduce this time.

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We have created a macro that basically looks for rows that contain an "H" and hides the row if it does.

Users can add new rows throughtout the year to this spreadsheet. and based on certain criteria, an H or U will be placed in a hidden column which the macro looks at and hides any row it finds an H.

The user has to click on the button that has the macro assigned to it once they have finished working on the spreadsheet.

The problem we're finding is that for users who insert/delete rows, once they click the button it takes up to 15 seconds to run through macro (which is ok). However, users who haven't added or deleted any rows and who click the button, they have to wait upto 5 minutes (which isn't ok) for the macro ro run.

We can't figure out why the macro takes longer to run when no changes have been made?

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Okay, I have this code and it works very well - but it only works if my WORKBOOK is unprotected. I know how to Unprotect then Protect an ActiveSheet, but I can't figure out how to Unprotect then Protect my workbook when the macro runs..

Dim WS As Worksheet
Application.ScreenUpdating = False
For Each WS In ActiveWindow.SelectedSheets

[Code] ......

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It is currently taking about 20seconds to run.

The worksheets are protected and have merged cells hence the call TestMe line.

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Public Sub Farvelade()
Dim icolor, Navn As Integer
Dim TargetRow, LastRow, Previous As Long
Dim Target As Range
MsgBox "Det kan tage 15-30 sekunder at opdatere ressourcekalenderen"
Range("A5"). CurrentRegion.Select
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See attached file illustrating exactly what I'm trying to do.

I won't repeat the exact same things I wrote in the file, but the Summary is that I need to first make such that only certain check boxes can checked at any one time, then make the command button run certain macro(s) depending on which boxes are checked.

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Oct 7, 2013

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Sub SapOutputRun()
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I am using the below to open a text file and copy the used range to my working workbook. The opening of the file makes the code slow and and also it may be bcoz i am trying to paste 11800 lines of data from one file to another.

Also i can see the flickering of the screen when the files are open. How to make the code faster and more efficient.

Sub readSimFile()
Application.ScreenUpdating = False
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Sub Allmacros()
Dim WorkbookRust As String
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ChDir "C:Documents and Settings vogtMy DocumentsRüstplausch"
Workbooks.Open Filename:= _
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End Sub

Sub UpdateEntries()......................

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