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Home > English site > Articles > Treeview control

An MSForms (all VBA) treeview

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 was tested (and works) on 64 bit Office. It also works on MAC office. Tested applications include:

Excel 2000
Excel 2003
Excel 2010
Excel 2010 (64 bit)
Excel 2011 (MAC Office)
Excel 2013 (32 bit)

Access 2003
Access 2010 (32 bit)
Access 2010 (64 bit)

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 have some rules:

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, 15 Oct 2015, downloaded 25,394 times)

Download the treeview sample Word document (build 026, 15 Oct 2015, downloaded 7,539 times)

Download the treeview sample Access database (build 025, 16 Oct 2013, downloaded 20,444 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.

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 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.

Content

 

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.

We are currently developing a listgrid/listview control. Contact us if you would like to participate in the beta program. Note that this control will not be made available as freeware.

 


Comments

Showing last 8 comments of 540 in total (Show All Comments):

 


Comment by: Peter Thornton (6/22/2017 9:38:07 AM)

@ Filia,
I've just tried the following with Access 2016 64 bit:
- Open a newly downloaded treeview demo v025, all worked fine.
- Drag the subForm from the treeview demo to a new project, no problem.

@ Martin,
>What about 2007, 2013 & 2016?
I can confirm working in Access 2007, 2013-32, and 2016-64.
I believe others have tested in 2013-64 and 2016-32.

The current version 025 was made with 2003. We held back from updating to 026 as we can no longer compile in a way that will work for 2003. However as time has gone by we may update the 025 mdb to 026 as an accdb.

 


Comment by: Filia (6/29/2017 4:08:00 PM)

Well, I got it to work through trial and error in Access 2016. The only problem remaining is that when text in the control extends under the vertical scrollbar and I drag the horizontal scrollbar to the right to view it, the vertical scrollbar doesn't refresh so I get 2 vertical scrollbars (original position on load and new position resulting from dragging).
When I populate the control, my last two commands are Refresh and then ExpandToLevel(x). Any help to solve this will be appreciated.

 


Comment by: Peter Thornton (7/1/2017 3:54:01 PM)

Hi Filia,
I don't know how two vertical scrollbars can be displayed at the same time because normally only one can exist.
However moving the horizontal scrollbar will not do anything to help show nodes 'below' the vertical scrollbar.

If you want you can send me what you have off-line and I'll take a look.

 


Comment by: Julian (8/6/2017 1:10:54 PM)

Hi, there. I have implemented your wonderful treeview in my aplication and so far I was running it on Windows 7 or higher + Officce 2007. However I understood that your treview was also ready for access 2003. Well as some users of my aplication still run it on XP and access 2003 I downgraded my aplication to a version for them and I have run into an strange problem. Whenever at the begining when it has to pass the trusted property it fails to do so and tells me it has not found that object (?) and it does not create the uftreeview userform. I really do not understand very much about this. I tied tou use your demo compiled by the way in access 2003 and it just crash ass soon as you enter in the mdb file.
Do you think there is something I am doing wrong? It is not compatible?

Thanks

 


Comment by: Peter Thornton (8/7/2017 10:34:07 AM)

Hi Julian,

I have similar problems as you describe with Access 2003. Not sure but possibly because my 2003 is now in Windows 10 with multiple later Office versions. These all 'share' the VBA run-times, these have been updated with various security changes which maybe cause problems in the now unsupported 2003.

If your Access 2003 is in a similar setup could you ask one of your XP/2003 users to download a fresh copy of the Access 025 demo and try it.

 


Comment by: Julian (8/18/2017 7:16:15 PM)

Hi Peter, thanks for the suggestion. I will do that and see what happens.

Thanks so much

 


Comment by: TungSon Nguyen (8/20/2017 4:41:39 PM)

Hi JKP,
I am trying to use your treeview control for my project.
there are two point I would like your help to make me clear:
1. I could not get the tooltip option, especially when my node text is longer then the width of the treeview-container frame.
2. Is this possible to get the FullPath of a node with the node caption instead of the node key?

I am looking forward to receiving your reply.
Thank you in advance and Best regards.

 


Comment by: Jan Karel Pieterse (8/21/2017 8:21:05 AM)

Hi TungSon,

In class clsNode, find the routine called AddChild.
Search for: ".Caption = vCaption"
Below that line, add:
        .ControlTipText = vCaption

 


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