User Defined Functions - How To Create One
Jun 17, 2013
I have a mental block when it comes to writing functions.
In a cell I have the Post Code followed by a "#" sign (no speech marks) and sometimes more text
e.g. FY6 8JF#ABCD (where the Post Code is FY6 8JF)
The "#" sign always indicates where the Post Code ends, i.e. I want to return all the characters to the left of the "#" sign.
In a spreadsheet I would accomplish this with "=LEFT(AA14,FIND("#",AA14,1)-1)"
where the string of interest is in cell "AA14"
How do I write a UDF to do this?
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Jan 2, 2007
Possibility of creating "on measure" functions for the necessities of every customer, but I have some things to ask in merit and I hope that you can answer to me:
- which are the differences between a User Defined Function and a Macro?
- also User Defined Function is written in Visual Basic?
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Oct 13, 2006
Say I have written three user defined functions: first(a,b,c); second(a,b,c);third (a,b,c), which all give value for a,b,c inputs. How do I write a VBA program that uses the functions above? Say the code is called Combine(), after the user have typed in the value of a,b,c, the function Combine=first+second+third.
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Feb 28, 2012
referencing constant cells in custom functions. This is a sample of my code:
Code:
Select Case Name
Case Is = "Ball"
Valve_Days = [V4] + Cushion
Case Is = "Check"
Valve_Days = [V5] + Cushion
Now, the problem is when I open the workbook up, or someone downloads the file from the server, it resets all fields to div/0 based on what sheet the last user 'Saved' the document on. I think this is occurring because it doesn't know which sheet to pull the value V5 from? The problem never started to happen until I added another sheet in the workbook. Is there a way to tell VB that it isn't just cell V5, but it is cell V5 on Sheet 'X'?
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Sep 9, 2008
when writing user-define functions in VBA, how do you set up the help on function arguments, so that they appear in the dialog box for the user to enter the correct argument values?
(For example, in the VBA function ACOS, yoh have to enter "Number", and the dialog box explains: "Number is the cosine of the angle you want and must be from -1 to 1." I want to do the same with my own functions).
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Mar 12, 2014
I have a really long function which counts the number of unique values in a selected range, and ignores blank cells. The function is like this (only works as an array function):
{=SUM(IF(FREQUENCY(IF(LEN(A1:A15)>0,MATCH(A1:A15,A1:A15,0),""),IF(LEN(A1:A15)>0,MATCH(A1:A15,A1:A15,0),""))>0,1))}
I want to convert this into a user-defined function COUNTUNIQUE, which only takes one argument: the range (A1:A15 in the above example)
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Jan 13, 2009
I created a user defined function and using Application.Volatile to update sheet automatically.
But this slowing down my sheet execution alot.
When i remove that it doesnt take much time but no automatic update.
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Jul 14, 2014
I am trying to create a function using the functions of IF and "And", but for any reason I don't know how to add the Add function
My function written in excel will looks like =IF(AND(A80="00",C80<>"8300"),"yes","no")
LOB Cost Center
00 1000
00 2000
00 8300
01 5000
02 8300
Function Allocation(LOB As Integer, CostCenter as Integer) As String
If LOB = 00 And CostCenter <> 8300 Then
Allocation = "Yes"
ElseIf LOB = 1, 2, 3, 4, 5 Then
Allocation = "No"
End If
End Function
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Apr 18, 2007
I am trying to figure out how to create a "User-Defined" enumerated type typically used in other languages (other than VBA).
for example in Java a typical enum type is declared like this:
enum Season { WINTER, SPRING, SUMMER, FALL }
This gives the benefit of writing "readable" code.
(back to vb)
If Season SUMMER then
call wear_a_sweater
end if
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Mar 25, 2008
I want to create a user defined function to search a column of data for a part number.
If it exists I want to have a the UDf returna "fail" otherwise "pass"
Here is the code I was trying to use
Function firstpass(SN As String) As String
ws = Worksheets("Defects")
c = ""
With ws.Range("a1:a9999")
Set c = .Find(SN, LookIn:=xlValues, lookat:=xlWhole)
End With
If Not c Is Nothing Then
firstpass = "Pass"
Else
firstpass = "Fail"
End If
End Function
This function only returns a "#value" and I don't quite know how to troubleshoot it.
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Oct 9, 2012
Trying to convert an Excel 2003 macro to work in Excel 2007.
The problem line is
Dim MyDataObject As DataObject
I suspect the problem is a Missing Reference, but I cannot figure out which one. I have the same ones (in 2007) as 2003 except for one which is not showing
Microsoft Forms 2.0 Object Library
Is this the one it needs? It is called something else in 2007?
The ones I do have ticked are
Visual Basic For Applications
Microsoft Excel 12.0 Object Library
OLE Automation
Microsoft Office 12.0 Object Library
Microsoft ADO Ext. 2.8 for DDL and Security
Microsoft DAO 3.6 Object Library
Microsoft ActiveX Data Objects 2.8 Library
Microsoft Scripting Runtime
Microsoft XML v2.6
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Jul 29, 2014
I am using Microsoft Excel 2010 and Microsoft VBA 7.0 on my system. I would like to eventually create a PowerPoint and insert charts generated in the Excel workbook. In the meantime, I cannot get the basic PowerPoint created.
The line in red is highlighted blue when the compile error "User-defined type not defined" message box appears.
Public Sub TryAgain() Dim myPowerPoint As PowerPoint.Application
'
' do nothing for now
'End Sub
I have set the references such that Microsoft Project 14.0 Object Library is indeed checked. The Excel file only contains this code in a module. All sheets are blank. Nothing else is written yet.
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Nov 28, 2006
I had a working subroutine which I moved to another workbook (rather than linking to it and having both workbooks open at the same time).
Now I get "user-defined type not defined" when it runs. Here is the beginning of the
Global oApp As Object
Sub UpdateForecasts()
Call Update1
Call Update2
End Sub
Sub Update1()
Dim dPath As String
Dim dDest As String
Dim dCondition As String
Dim dName As String
Dim FSO As New FileSystemObject
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May 5, 2013
Base 64 Encoding.
Dim objXML As MSXML2.DOMDocument
Dim objNode As MSXML2.IXMLDOMElement
Are causing the User Defined error, but the same workbook is OK in XP and Win 7.
VB6: Free, Easy and Quick Base64 Encoding and Decoding in Visual Basic [a NonHostile article]
Says you need a reference to Microsoft XML, v2.6 (or later) and the Win8/2010 workbook does have one for Microsoft XML, v6.0
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Mar 4, 2010
I am trying to capture with Worksheet Change a command bar action like paste but I am getting an error :
“User-Defined type not defined”
Do I need a library of sort in References ??
Public Sub Right_Click()
Dim oControl As CommandBarControl
For Each oControl In CommandBars("Cell").Controls
Debug.Print oControl.Caption
If oControl.Caption = "&Paste" Then
oControl.OnAction = "MyPaste"
End If
Next oControl
End Sub
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Jun 27, 2008
When I try to complile my VBA project, I get the following error "User-defined type not defined" but the compiler doesn't point to any line.
I remember what I did last was to rename a form and a Module, but I replaced their old names in all my code with the new ones ... Does this have anything to do with the error I am getting ?
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Dec 11, 2012
Which I am trying to modify to fit my needs:
Code:
Sub Test()
Const cURL = "Website Here" 'Enter the web address here
Const cUsername = "XXXXXX" 'Enter your user name here
Const cPassword = "XXXXXX" 'Enter your Password here
Dim IE As InternetExplorer
Dim doc As HTMLDocument
Dim LoginForm As HTMLFormElement
[Code] .......
I get the error User Defined type not defined on line:
Code:
Dim IE As InternetExplorer
Do I need to use references? Is there a quick fix for this?
I have code that works for a particular website but I am having trouble making it work for others. This code seems more flexible than the other code:
Code:
Option Explicit
Public Sub Press_Button()
'make sure you add references to Microsoft Internet Controls (shdocvw.dll) and
'Microsoft HTML object Library.
'Code will NOT run otherwise.
[Code] ........
My end goal is to log on to several websites and pull data out of tables on the websites back into excel so that I can have a one stop shop instead of logging into many websites manually.
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Aug 28, 2008
This code works fine when I use it, but not when a co-worker uses it on his PC. The code and VBA references are the same. He gets the "User-Defined Type not defined" error. I'm wondering if there is an Outlook setting that may blow this up.
the code was working on his PC and then it stopped though no changes were made to the code. That's why I think it may be blocked by an Outlook setting.
Set appOutLook = CreateObject("Outlook.Application")
Set MailOutLook = appOutLook.CreateItem(olMailItem)
MailOutLook.Subject = "E-mail"
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Sep 16, 2006
I've made a macro that inserts an entire new row above a specified cell, then updates each column of that row using offset.value and various constants and inputbox variables. Works great so far, unless I try to apply a validation rule to one of the cells.
The code I'm using to add the validation works okay when referring to a specific cell by reference e.g:
With Range("A1").Validation
etc...
However, when I change it thusly:
With Sheet2.Range("LastRow").Offset(-1, 5).Validation
.Add Type:=xlValidateList, AlertStyle:=xlValidAlertStop, Operator:= _
xlBetween, Formula1:="=Departments"
.IgnoreBlank = True
.InCellDropdown = True
End With
It doesn't like that one bit.
This is part of a private Sub attached to a button in the same sheet. I've had a scan through the archives looking for validation threads, but couldn't find anything that refers to problems with offsets (if indeed that is the problem here).
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Jan 6, 2014
I'm trying to simplify a spreadsheet i've been given by defining names for certain values. I'm using Excel 2013. Is there any way to have all of the newly defined names I've created for cells automatically be inserted into all of the formulas that exist in the spreadsheet?
Example.
Old formula in one sheet of a workbook looks up a cell in another sheet with the value of ='sheet1!A1
I've given the value of cell A1 in Sheet1 a name of dgwd.
How do I get every formula in the workbook that references 'sheet1!A1 to change the value within that formula to dgwd?
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Jul 8, 2009
I'm having trouble getting a User Defined formula to work. I received an email containing a User Defined formula for SUMCOLOR and COUNTCOLOR. The first sums all the values in like-colored cells, and the second counts all the cells of like-color in a given range. The VB code for the module is as follows:
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Jan 21, 2007
Can you create user-defined events in excel? I ask because the worksheet_change event does not capture pastes or undo/redo.
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Nov 25, 2008
I have created a custom add-in with custom functions and am trying to make it user friendly for other users. By running the following macro I can add functions to different categories, but I was wondering if there was a way to do this automatically so that anyone that adds this add-in will have the functions show up in the proper category without having to manually run this macro.
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Jan 11, 2009
My goal is a macro that exports a .txt file where the user selects desired rows (strains, not necessarily contiguous), header columns (collection data), and a single sequence column. The output format (called fasta) is:
>headerA1 headerC1
sequence1
>headerA4 headerC4
sequence4
where each new ">" is a new strain (row). My code so far gets caught up in the string assignments in the for loops:
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Apr 12, 2009
My question is about creating User-Defined Data Types. Is there ANY way possible i can create a User-Defined Data Type that declares a variable of another User-Defined Data Type instead of the Pre-Defined User Types like String, Integer, etc?
The following explains my problem in more detail.
I know to create a User-Defined Data Type at the top of the module before any procedures. Like this:
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Nov 4, 2009
I can't get a simple function to work. I attached a screen shot of my function. It's very simple -- adds two numbers.
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Mar 6, 2012
This is what I'm trying to achieve: Display a list box (or any other appropriate form/active X control) to get input from the users which is usually a list of several terms. Once they've input the list, upon clicking 'OK' it should add them all to Col. B.
The above request WILL be a good solution, but if there is an advanced solution to this for eg., something like a list box with buttons, for instance: click on 'Articles' and it populates 'a,' 'an,' & 'the, click on 'Prepositions' and it populates all the pre-fed prepositions, etc. that would be PERFECT!
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May 2, 2013
I am trying to write a function which return the difference of sum of range A and sum or range B. But I keep getting error with my codes.
Code:
Function deltaPipeline(YTDPplComm As Range, LastYearPpln As Range)
deltaPipeline = Sum(YTDPplComm) - Sum(LastYearPpln)
End Function
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May 11, 2013
I found out that using Enum one can have a dropdown box to choose from when inserting a parameter in a function.
But how can I have the same user-defined constant in more then one Enum? It works with standard VBA variables like vbEmpty, so why not with self made constants?
I tried this which gives the error: Ambiguous name detected
Code:
Private Const vbTest = 99 ''' = Ambiguous name detected !!!
Enum eTest1 '''gives 3 choices
vbEmpty ''' = standard VBA 1
vbLong ''' = standard VBA 3
vbTest ''' not in VBA, so I would assign 99 to it
End Enum
[Code] .....
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Nov 21, 2007
I am stepping through a sub in module one that for some reason keeps jumping to a user defined function in another module. I've checked and and the function isn't being called.
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