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An MSForms (all VBA) treeview for Access, Excel And Word

Introduction

If you have ever used the Treeview control from the "Additional controls" section, then you know what a versatile control this is to show hierarchically organized data. There are a couple of problems with this Treeview control:

  1. Compile errors due to a difference in how the control libraries are registered in 32 bits Windows' System32 and 64 bit Windows' SysWOW64 folders. If you distribute a file that was saved in 64 bit Windows, containing one of the "Microsoft Windows Common Controls 6.0" (The Treeview control is one of them) and with the reference set to "mscomctl.ocx", people using 32 bit Windows will almost certainly have problems. At best it could entail removing both the control and the reference and replacing both, but at worst the user's Excel can crash when trying to load the file and run the app.
  2. The standard Treeview control, like all non built-in ActiveX controls, cannot be used in 64 bit versions of Office.

Especially the second point convinced me it is time to develop a custom-made Treeview "control", that only uses the native Office forms controls. I started building this a couple of weeks ago and after some time I tricked Peter Thornton into helping me with it

The screenshot below shows both our new Treeview (left) and the Windows one (right) side-by-side in their simplest display mode (read on, there are even prettier screenshots further down the page):

Treeview controls
Two treeviews, left: VBA tree, right: Common controls tree

In the following pages I'll show what our treeview can do and explain how to put it to use in your own VBA project.

MAC Office and 64 bit Office Compatible!

Our Treeview works in all versions of Excel, Access and Word; from Office 2007 to 2019 and 365, for Windows and Mac, 32bit and 64bit. It also works in some earlier versions though you would need to adapt the demos made for 2007 and later.

Windows screenshot:

Treeview demo on Windows Excel
Treeview demo on Windows Excel

Mac screenshot:

MAC screenshot of our treeview demo form
Screenshot of treeview on Mac Excel 2011

Acknowledgements

The basic plumbing and code structure of this treeview control was devised by me. However, without the help of my friend and fellow MVP Peter Thornton, lots of functionality would not have been available now. For that I sincerely thank Peter!

Furthermore, Access MVP Ben Clothier was kind enough to make the necessary adjustments to incorporate the treeview in an Access form

Also: Fellow Excel MVP Ron De Bruin ensured the treeview also works on MAC Office 2011, Thanks Ron!

Copyright and Licensing

All code in the treeview is (c) JKP Application Development Services and Peter Thornton (the Authors). It remains our sole intellectual property.

However, we're offering this treeview to you at no cost. You get an unrestricted license for use in any VBA project you like. You're free to modify any part of the code at will.

We do request that you:

And please mention the source of the treeview (including a link to this page) in your helpfile, manual and/or on your about screen.

We're always interested to see how people have implemented the VBA Treeview. So please feel free to send a screenshot with a brief description or relevant details.

Disclaimer

You use this control at your own risk: The authors accept no liability whatsoever for any damages which may arise due to the use of our treeview.

Donations

Many, many hours were spent developing this treeview. Although we developed it for use in our own projects, we are giving it away for free!

Nevertheless, we would really be pleased if you actually express your appreciation in a more "tangible" form. So here is a paypal donation button at your disposal:

Download

The Excel workbook contains most of the documentation (on the tabs of the workbook), so I recommend you to at least download the Excel version. The Access version has instructions on its main form (click the "How do I...?" button) on how to implement the treeview in your own projects.

Download the treeview sample Excel workbook (including documentation) (build 026.4, 28 May 2021, downloaded 41.631 times)

Download the treeview sample Word document (build 026.4, 31 May 2021, downloaded 13.253 times)

Download the treeview sample Access database (build 026.4, 28 May 2021, downloaded 33.814 times)

‘Pro’ Treeview and ListGrid VBA controls

The professional version of the treeview control has exceptional performance. Even with tens of thousands of nodes it will load quickly and remain highly responsive. It also has several new features including drag and drop. Timing experiments have shown that the pro version of our treeview outperforms the common controls treeview.

Our new ListGrid combines most of the functionality of the ActiveX Listview and Flexgrid controls with many extra useful features. It is the result of extensive beta testing by some of our treeview users, thanks guys!

The screenshot of the demo below gives an idea of just some of its capability.

Professional ListGrid control

The Pro Treeview and ListGrid are available for 32/64 bit Excel and Access. The Excel version will also work in Mac, one or two features are disabled for Mac but we’re working on it. Unlike our free treeview they are self contained in their own files and designed to work more like real controls.

For more details and if interested in a trial license to try either of these ‘controls’ please contact us:

Pro Treeview enquiry

Pro Listgrid enquiry

Please note that the pro versions are paid versions. Pricing available upon request by using the links above (The download files above contain a Word document which also gives more details about the pro controls).

Content

  1. Features
  2. How To Use
  3. Examples

 

Other controls

Another often used control is the calendar control. This control has the added problem that it has been deprecated with Office 2010 (where we're supposed to use the date picker control). Frankens Team created an all-vba alternative using very similar techniques to what we've done here.

Ron de Bruin created a Date Picker control for MAC Excel.


Comments

Showing last 8 comments of 818 in total (Show All Comments):

 


Comment by: Götz (5-5-2021 10:30:00) deeplink to this comment

Hi Jan,

I am using your Treeview in our Access application and it works perfectly without major problems. Many thanks for making this versatile piece of software available for free!

Now my question: If the subform containing the tree gets invisible it receives the close event resulting in the termination of the contained Form and Treeview objects. This may happen during normal work e.g. if I switch the form to datasheet view or if I set a filter with empty results. When the subform get visible again (when I go back to form view or remove the filter) the Form and Treeview objects are not restored and I get runtime errors due to empty references.

Any hints how to prevent this? Maybe this issue is fixed in the pro version? Thanks in advance.
Götz


Comment by: Jan Karel Pieterse (5-5-2021 10:45:00) deeplink to this comment

Hi Götz,

If you change the form to design view, the Form_Close event triggers. In the demo, that terminates the treeview (and it should!). So I think the best approach in your situation would be te have the tree reinitialize itself when it is supposed to be visible again.


Comment by: Steve Van Dellen (16-5-2021 20:49:00) deeplink to this comment

The Demo in TreeView 026_3.xlsm downloaded from https://jkp-ads.com/DownloadScript.asp?filename=treeviewexcel.zip works fine on Windows 10 but if won't compile in Excel 16.49/VBA 7.1 on macOS 11.1. I wonder if it's really the correct version? VBA says "...must be updated for use on 64-bit systems..." for:

#If VBA7 And Not Mac Then
    Private Declare PtrSafe Function GetCursorPos Lib "user32.dll" ( _
            ByRef lpPoint As POINTAPI) As Long
    Private Declare PtrSafe Function SetCursorPos Lib "user32.dll" ( _
            ByVal X As Long, _
            ByVal Y As Long) As Long
    Private Declare PtrSafe Function getTickCount Lib "kernel32.dll" Alias "GetTickCount" () As Long
#Else
    Private Declare Function GetCursorPos Lib "user32.dll" ( _
                                         ByRef lpPoint As POINTAPI) As Long
    Private Declare Function SetCursorPos Lib "user32.dll" ( _
                                         ByVal X As Long, _
                                         ByVal Y As Long) As Long
    Private Declare Function getTickCount Lib "kernel32.dll" Alias "GetTickCount" () As Long
#End If

Also, "Statements and labels invalid between Select Case and the first Case" for:
    If Not ActiveNode Is Nothing Then
        Select Case KeyCode
        #If Mac Then
            If Shift = 2 And KeyCode = 85 Then
                KeyCode = vbKeyF2 ' Ctrl-U = F2 edit
            End If
        #End If
        Case vbKeyLeft


Comment by: Peter Thornton (17-5-2021 18:33:00) deeplink to this comment

Hi Steve,

We haven't updated the original download version for a long time, long before Mac 2016 came along with a 64 bit version! It looks like the problem here is the '#If VBA7 And Not Mac', your x64 Mac then tries to compile the 32 bit APIs and fails.

You could include all the APIs between '#If Mac = False Then ... #End If' so they are ignored. First though try simply removing the 'And Not Mac', it might work but I don't have Mac 2016x64 to test.

For your second question - move the '#If Mac...#End If' lines so they are just above the Select Case line. (Keyboard Edit in Windows is F2 but Ctrl-F in Mac)


Comment by: Steve Van Dellen (17-5-2021 20:47:00) deeplink to this comment

Thanks for the prompt attention. Deleting "And Not Mac" and moving the "Select Case" statements fixed those problems.

        #If Win32 Or Win64 Then
            sngTickCnt = getTickCount
        #Else ' Mac
            sngTickCnt = Timer
        #End If

failed because Wind64 is True on Macs. Inverting the test like:
        #If Mac Then
            sngTickCnt = Timer
        #Else ' Win32 or Win64
            sngTickCnt = getTickCount
        #End If
    #End If

appears to work. At least the Demos run on both my 32 bit Windows and 64 bit Mac systems. What a great bit of software! Thanks for making it available. Donation to follow.


Comment by: Peter Thornton (18-5-2021 10:17:00) deeplink to this comment

Thanks Steve for the follow-up and tip to 'invert' that Mac test.
For anyone else following, this has been about minor fixes for use with Excel 2016-64 for Mac


Comment by: Marc Rosario (12-6-2021 00:41:00) deeplink to this comment

Can I load data from Excel into the treeview?


Comment by: Peter Thornton (12-6-2021 11:17:00) deeplink to this comment

Hi Marc,

Yes, if you are running the treeview in Excel typically (though not necessarily) the data is stored in Excel, ie worksheet cells.


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